games born on day n

N. J. A. Sloane njas at research.att.com
Thu Nov 22 00:01:49 CET 2001


Richard,

I take it that that's not the same as this sequence?

%I A037142
%S A037142 1,4,22,4171780
%N A037142 Number of impartial misere games born on or before day n.
%D A037142 J. H. Conway, On Numbers and Games, pp. 139-140.
%F A037142 gamma(0)=0.149027998351785...; gamma(n+1)=(2^gamma(n)); f(n)=ceiling(gamma(n))
%K A037142 huge,nonn
%O A037142 0,2
%A A037142 Jeffrey Harris (alvinharris at home.com)
%E A037142 Next term = (2^4171780)-(2^2095104)-(3*2^2094593)-(2^2094081)-(3*2^2091522)-(2^2088960)-(3*2^2088448)-(2^2087937)-(2^2086912)-(2^2086657)-(2^2086401)-(2^2086145)-(2^2085888)-(2^2079234)+(2^1960962)+21.
%E A037142 Probably this is an incorrect version of A047995 - njas.


which is in turn an incorrect version of

%I A047995
%S A047995 1,2,3,5,22,4171780
%N A047995 Number of impartial misere games born on or before day n.
%D A047995 J. H. Conway, On Numbers and Games, pp. 139-140.
%Y A047995 Cf. A037142.
%K A047995 huge,nice,nonn
%O A047995 0,2
%A A047995 njas
%E A047995 Next term = 2^4171780 - 2^2096640 - 2^2095104 - 2^2094593 - 2^2094080 - 3.2^2091522 - 2^2088960 - 2^2088705 - 2^2088448 - 2^2088193 - 2^2086912 - 2^2086657 - 2^2086401 - 2^2086145 - 2^2085888 - 2^2079234 + 2^1960962 + 21 (Chris Thompson, cet1 at c
%E A047995 "On Numbers and Games" incorrectly states that the next term is 2^4171780 - 2^2095104 - 3*2^2094593 - 2^2094081 - 3*2^2091522 - 2^2088960 - 3*2^2088448 - 2^2087937 - 2^2086912 - 2^2086657 - 2^2086401 - 2^2086145 - 2^2085888 - 2^2079234 + 2^1960

NJAS

You said:
1 4 22 1474
....






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