0,2

Numbers n for which A259934(n) is a perfect square. Indexing begins from zero, because a(0) = 0 is a special case.

Terms were computed from the data file of A259934 provided by Max Alekseyev, which contained terms up to A259934(397420670) = 9999999974.

Table of n, a(n) for n=0..16.

a(n) = A262694(A262514(n)).

(Scheme) (define (A263276 n) (A262694 (A262514 n)))

Cf. A259934, A262514, A262694.

Cf. A263277 (first differences).

Sequence in context: A186402 A303814 A141734 * A217150 A274178 A118578

Adjacent sequences: A263273 A263274 A263275 * A263277 A263278 A263279

nonn,more

Antti Karttunen, Nov 08 2015

approved