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Search: id:A166019
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A166019 Right edge of triangular table A138612. +0
2
1, 4, 12, 28, 53, 91, 141, 207, 297, 401, 534, 683, 869, 1081, 1327, 1601, 1912, 2275, 2665, 3095, 3569, 4110, 4682, 5314, 5996, 6744, 7535, 8394, 9320, 10303, 11367, 12490, 13686, 14938, 16288, 17707, 19227, 20808, 22490, 24233, 26103, 28033 (list; graph; listen)
OFFSET

1,2

CROSSREFS

a(n) = A138612(A000217(n)).

Sequence in context: A009906 A109629 A112087 this_sequence A006000 A161216 A085622

Adjacent sequences: A166016 A166017 A166018 this_sequence A166020 A166021 A166022

KEYWORD

nonn

AUTHOR

Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), Oct 05 2009

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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