A277027 a(n) = A277013(n)^2.

0, 1, 1, 4, 1, 4, 1, 9, 4, 4, 1, 9, 1, 4, 4, 16, 1, 9, 1, 9, 4, 4, 1, 16, 1, 4, 9, 9, 1, 9, 1, 25, 4, 4, 4, 16, 1, 4, 4, 16, 1, 9, 1, 9, 9, 4, 1, 25, 4, 4, 4, 9, 1, 16, 1, 16, 4, 4, 1, 16, 1, 4, 9, 36, 1, 9, 1, 9, 4, 9, 1, 25, 1, 4, 9, 9, 1, 9, 1, 25, 4, 4, 1, 16, 4, 4, 4, 16, 1, 16, 1, 9, 4, 4, 1, 36, 1, 9, 9, 9, 1, 9, 1

Offset: 1

Author

Antti Karttunen, Oct 07 2016

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 1..8191

Crossrefs

Cf. A000290, A002487, A125184, A260443, A277013.

Programs

Scheme

(define (A277027 n) (A000290 (A277013 n)))

Formula

a(n) = A277013(n)^2.