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A020757 Numbers that are not the sum of two triangular numbers. +0
7
5, 8, 14, 17, 19, 23, 26, 32, 33, 35, 40, 41, 44, 47, 50, 52, 53, 54, 59, 62, 63, 68, 71, 74, 75, 77, 80, 82, 85, 86, 89, 95, 96, 98, 103, 104, 107, 109, 113, 116, 117, 118, 122, 124, 125, 128, 129, 131, 134, 138, 140, 143, 145, 147, 149, 152, 155, 158, 161, 162, 166, 167 (list; graph; listen)
OFFSET

1,1

COMMENT

A052343(a(n)) = 0. - Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), May 15 2006

CROSSREFS

Complement of A020756.

Sequence in context: A020712 A111321 A020736 this_sequence A049693 A084139 A092590

Adjacent sequences: A020754 A020755 A020756 this_sequence A020758 A020759 A020760

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.


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