a(n) = Sum_{k=0..n} (-1)^(n-k)*binomial(n,k)*2^(2^k).
2, 2, 10, 218, 64594, 4294642034, 18446744047940725978
4 seqfan posts
Fri Oct 29 05:35:16 CEST 2010 [seqfan] Implementing first 500 sequences in Java
Sat Oct 16 05:18:41 CEST 2010 [seqfan] Re: Do Mersenne primes ever divide A076078(n)?
Thu Oct 14 23:59:12 CEST 2010 [seqfan] Re: Do Mersenne primes ever divide A076078(n)?
Wed Oct 13 05:38:26 CEST 2010 [seqfan] Do Mersenne primes ever divide A076078(n)?
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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