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  • Adam Goucher
  • Dave Greene

« Stable 2c/3 signal receiver | Main | New Period 4 Oscillator Variants »

2005 February 21

Methuselahs
New Methuselah Records

Tomas Rokicki has announced some of the results of a survey for methuselahs. The table below shows the record holding patterns for given bit sizes. More information can be found at his webpage. Other information about methuselahs, can be found at Dean Hickerson's website. Andrzej Okrasinski also announced his finding of the current record holding pattern.

Size Name Gens Final Pop. Final Pattern, Census & Discoverer
r pentomino
r Pentomino
1103 128 r pentomino
8(4.1), 1(5.1), 1(6.2), 4(6.4), 1(7.4), 4(3P2.1), 6(5P4H1V1.1)
5 r pentomino 1105
6 r pentomino 1108
7 Acorn
Acorn

[Charles Corderman]
5206 633 Acorn
34(4.1), 8(5.1), 3(6.2), 30(6.4), 2(6.5), 5(7.4), 2(8.7), 1(8.8), 41(3P2.1), 13(5P4H1V1.1)
8 New Methuselah
[Tomas Rokicki]
7467 952 New Methuselah
51(4.1), 2(4.2), 11(5.1), 4(6.2), 35(6.4), 16(7.4), 2(8.7), 1(14.475), 61(3P2.1), 1(6P2.1), 24(5P4H1V1.1)
Bunnies
Rabbits

[Andrew Trevorrow]
17331 1749 Bunnies
109(4.1), 4(4.2), 18(5.1), 7(6.2), 65(6.4), 18(7.4), 3(8.7), 136(3P2.1), 2(6P2.1), 40(5P4H1V1.1)
9 Bunnies9
[Paul Callahan]
17410
10 Bunnies0
[Tomas Rokicki]
17423
11 Bunnies11
[Tomas Rokicki]
17465
12-18 New Methuselah
[Tomas Rokicki]
23334 2898 New Methuselah
207(4.1), 7(4.2), 23(5.1), 12(6.2), 115(6.4), 2(7.2), 32(7.4), 4(8.7), 171(3P2.1), 1(6P2.1), 2(6P2.2), 70(5P4H1V1.1), 1(9P4H2V0.1)
19 New Methuselah
[Andrzej Okrasinski]
28786 3091 New Methuselah
196(4.1), 6(4.2), 31(5.1), 9(6.2), 143(6.4), 3(6.5), 34(7.4), 6(8.7), 2(12.41), 1(14.475), 213(3P2.1), 47(5P4H1V1.1)

Note: Not all of the paths of escaped gliders are shown.