A133137 a(1) = 1, a(2) = 2, a(n) = smallest number not the sum of 4th powers of 2 distinct earlier terms.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73

Offset

1,2

Comments

This is to A000583 as A031980 is to A000578. First differs from complement of A088687 at 83522 = 1^4 + 17^4.

Links

Table of n, a(n) for n=1..72.

Crossrefs

Cf. A000583, A031980, A088687.

Sequence in context: A023771 A132033 A194966 * A160543 A023810 A102800

Adjacent sequences: A133134 A133135 A133136 * A133138 A133139 A133140

Keyword

easy,nonn

Author

Jonathan Vos Post, Sep 21 2007

Status

approved