A277015 Numbers whose squares are present in A276573 (the infinite trunk of least squares beanstalk).

0, 4, 8, 12, 16, 19, 20, 24, 36, 40, 45, 48, 56, 60, 68, 72, 80, 83, 84, 92, 96, 104, 109, 112, 120, 124, 132, 136, 140, 144, 147, 148, 156, 160, 164, 168, 173, 176, 180, 192, 204, 208, 211, 216, 220, 224, 228, 232, 237, 240, 252, 264, 272, 275, 276, 280, 284

Offset: 0

Author

Antti Karttunen, Oct 03 2016

Keywords

• nonn

Comments

Indexing starts from zero because a(0)=0 is a special case in this sequence.

Links

• Antti Karttunen, Table of n, a(n) for n = 0..130

Crossrefs

Cf. A000196, A002828, A276573, A277014, A277016 (the corresponding squares), A277025 (multiples of four present / 4).

Positions of squares in A277023, zeros in A277024.

Programs

Scheme

(define (A277015 n) (A000196 (A277016 n)))

Formula

a(n) = A000196(A277016(n)) = A000196(A276573(A277014(n))).