A060152 - OEIS

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A060152

Nim-factorial(a(n))=1.

%I #6 Oct 28 2022 20:52:51

%S 1,3,7,15,31,63,127,255,511,1023,2047,4095,8191,16383,32767,62914,

%T 65535,131071,262143,524287,716479,1048575,1132639,2069471,2097151,

%U 3618111,4194303,8388607

%N Nim-factorial(a(n))=1.

%C Except for the term a(16)=62914, all listed terms agree with those of A000225: 2^n - 1.

%Y A059970 (Nim-factorials), A055010.

%K nonn

%O 1,2

%A _John W. Layman_, Mar 09 2001

%E a(18)-a(28) from _Sean A. Irvine_, Oct 28 2022