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Search: id:A002250
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A002250 4^n-2*3^n. +0
1
-1, -2, -2, 10, 94, 538, 2638, 12010, 52414, 222778, 930478, 3840010, 15714334, 63920218, 258869518, 1045044010, 4208873854, 16921588858, 67944635758, 272553384010, 1092538058974, 4377125804698, 17529423925198 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A059494 A052647 A032034 this_sequence A011248 A069240 A000371

Adjacent sequences: A002247 A002248 A002249 this_sequence A002251 A002252 A002253

KEYWORD

sign

AUTHOR

njas

page 1

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.

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