A277025 n for which A277023(4n) is square, thus A277024(4n) is zero.

0, 1, 2, 3, 4, 5, 6, 9, 10, 12, 14, 15, 17, 18, 20, 21, 23, 24, 26, 28, 30, 31, 33, 34, 35, 36, 37, 39, 40, 41, 42, 44, 45, 48, 51, 52, 54, 55, 56, 57, 58, 60, 63, 66, 68, 69, 70, 71, 72, 74, 78, 80, 81, 84, 88, 90, 91, 93, 95, 96, 98, 99, 102, 105, 107, 108, 110, 111, 112, 114, 117, 118, 120, 121, 123, 126, 129, 131

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..120

Crossrefs

Complement: A277026.

Cf. A002828, A277015, A277016, A277024.