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A067409
Ninth column of triangle
A067402
.
+0
3
1, 17, 1377, 111537, 9034497, 731794257, 59275334817, 4801302120177, 388905471734337, 31501343210481297, 2551608800048985057, 206680312803967789617, 16741105337121390958977
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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