

A014156


Numbers that are not the sum of a nonnegative cube and a triangular number.


2



5, 12, 13, 17, 19, 20, 24, 25, 26, 31, 32, 34, 35, 38, 39, 40, 41, 43, 47, 49, 50, 51, 52, 54, 57, 58, 59, 60, 61, 62, 68, 69, 71, 73, 75, 76, 77, 80, 81, 83, 84, 87, 88, 89, 90, 94, 95, 96, 97, 98, 101, 102, 103, 104, 107, 108, 110, 111, 112, 114, 115, 116, 117, 122
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..64.


MATHEMATICA

Complement[Range[0, 1000], Union[Flatten[Outer[Plus, Table[n^3, {n, 0, 10}], Table[n(n+1)/2, {n, 0, 50}]]]]]


CROSSREFS

Cf. A014155 (complement)
Sequence in context: A223255 A076537 A110134 * A114073 A185871 A037007
Adjacent sequences: A014153 A014154 A014155 * A014157 A014158 A014159


KEYWORD

nonn


AUTHOR

N. J. A. Sloane.


EXTENSIONS

Corrected and extended by Dean Hickerson, Aug 30 2001


STATUS

approved



