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Search: id:A061982
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A061982 3^n - (n + 1)(n + 2)/2. +0
2
0, 0, 3, 17, 66, 222, 701, 2151, 6516, 19628, 58983, 177069, 531350, 1594218, 4782849, 14348771, 43046568, 129139992, 387420299, 1162261257, 3486784170, 10460352950, 31381059333, 94143178527, 282429536156, 847288609092 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Column of A061980.

Sequence in context: A033562 A130857 A120386 this_sequence A101562 A034566 A069468

Adjacent sequences: A061979 A061980 A061981 this_sequence A061983 A061984 A061985

KEYWORD

nonn

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), May 24 2001

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Last modified December 2 15:58 EST 2008. Contains 150992 sequences.

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