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A051611 Numbers that are not the sum of 2 nonzero triangular numbers. 6
1, 3, 5, 8, 10, 14, 15, 17, 19, 23, 26, 28, 32, 33, 35, 40, 41, 44, 45, 47, 50, 52, 53, 54, 59, 62, 63, 68, 71, 74, 75, 77, 78, 80, 82, 85, 86, 89, 95, 96, 98, 103, 104, 105, 107, 109, 113, 116, 117, 118, 122, 124, 125, 128, 129, 131, 134, 138, 140, 143, 145, 147 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

CROSSREFS

Integers not in the sequence A051533. Cf. A002097, A000217, A007294, A051611, A053603.

Sequence in context: A072150 A091309 A027922 * A005004 A006218 A062839

Adjacent sequences:  A051608 A051609 A051610 * A051612 A051613 A051614

KEYWORD

easy,nonn,nice

AUTHOR

Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de)

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Last modified February 16 21:44 EST 2012. Contains 205977 sequences.