1,12

Differs from A025684 first at the index 308. (The 0 and 13 at indices 308 and 309 are swapped). - R. J. Mathar, Mar 10 2013

Peter G. Anderson, Table of n, a(n) for n = 1..584

A215591 is the value of x.

Sequence in context: A220659 A025858 A237451 * A025684 A025678 A073189

Adjacent sequences: A215589 A215590 A215591 * A215593 A215594 A215595

nonn

Peter G. Anderson, Aug 16 2012

approved