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Search: id:A144272
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A144272 Second column (m=2) of triangle S2hat(-1) = A144270. +0
3
1, 1, 4, 18, 129, 1095, 11880, 149940, 2218545, 37147005, 699281100, 14561835750, 332913128625, 8280095098275, 222659485448400, 6434896997529000, 198909798356894625, 6547761582390653625, 228681849947367316500, 8445341134525197152250, 328822530412023653630625 (list; graph; listen)
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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.

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