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A056122
a(n)=(8n+9)*C(n+8,8)/9.
+0
2
1, 17, 125, 605, 2255, 7007, 19019, 46475, 104390, 218790, 432718, 814606, 1469650, 2554930, 4299130, 7027834, 11195503, 17425375, 26558675, 39714675, 58363305, 84412185, 120310125, 169169325, 234908700, 322420956, 437766252
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Maintained by
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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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