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A115161
Numbers that are not the sum of a triangular number, a nonnegative cube and a fourth power.
4
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
1,1
COMMENTS
There are 15682461 such numbers up to 10^9, the last one in this range being 999999923.
CROSSREFS
KEYWORD
nonn
AUTHOR
Giovanni Resta, Jan 15 2006
STATUS
approved