A060152 Nim-factorial(a(n))=1.

1, 3, 7, 15, 31, 63, 127, 255, 511, 1023, 2047, 4095, 8191, 16383, 32767, 62914, 65535, 131071, 262143, 524287, 716479, 1048575, 1132639, 2069471, 2097151, 3618111, 4194303, 8388607

Offset

1,2

Comments

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

Links

Table of n, a(n) for n=1..28.

Crossrefs

A059970 (Nim-factorials), A055010.

Sequence in context: A213248 A336700 A097002 * A126646 A225883 A255047

Adjacent sequences: A060149 A060150 A060151 * A060153 A060154 A060155

Keyword

nonn

Author

John W. Layman, Mar 09 2001

Extensions

a(18)-a(28) from Sean A. Irvine, Oct 28 2022

Status

approved