-tan(log(cos(x)))=1/2!*x^2+2/4!*x^4+46/6!*x^6+1112/8!*x^8...
0, 1, 2, 46, 1112, 55816, 3804272, 372397936, 47682319232, 7841034902656
2 seqfan posts
Sat Dec 17 09:16:17 CET 2011 [seqfan] Re: A013538
Sat Dec 17 07:24:19 CET 2011 [seqfan] Re: A013538
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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