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A168311
Numbers that are not sums of two triangular numbers and are not one greater than a sum of two triangular numbers.
0
33, 41, 53, 54, 63, 75, 86, 96, 104, 117, 118, 125, 129, 162, 167, 179, 180, 185, 188, 195, 204, 222, 223, 224, 229, 230, 243, 248, 251, 261, 270, 271, 284, 285, 293, 294, 314, 317, 318, 333, 334, 338, 339, 348, 349, 350, 360, 365, 369, 375, 376, 377, 383
OFFSET
1,1
COMMENTS
Number n belongs to this sequence if both n and n-1 belong to A020757.
CROSSREFS
KEYWORD
nonn
AUTHOR
Tanya Khovanova, Nov 22 2009
STATUS
approved