A115161 Numbers that are not the sum of a triangular number, a nonnegative cube and a fourth power.

13, 35, 40, 41, 50, 51, 59, 76, 77, 112, 124, 139, 149, 150, 157, 165, 168, 175, 176, 178, 182, 183, 189, 193, 197, 205, 208, 215, 224, 229, 241, 243, 249, 273, 288, 305, 306, 314, 329, 332, 366, 373, 383, 397, 412, 413, 418, 420, 429, 438, 453, 455, 457, 461

Offset: 1

Author

Giovanni Resta, Jan 15 2006

Keywords

• nonn

Comments

There are 15682461 such numbers up to 10^9, the last one in this range being 999999923.

Crossrefs

Cf. A022552, A014158, A115159, A115160, A115162, A115163.