2666496

Appears in sequences

• Number of cyclic subgroups of order 5 of general affine group AGL(n,2).at n=4A063408
• Number of cyclic subgroups of order 10 of general affine group AGL(n,2).at n=4A063413
• Second convolution of A002605(n) (generalized (2,2)-Fibonacci), n >= 0, with itself.at n=11A073389
• Triangle read by rows: D*(n,m) is the number of direct-sum decompositions of a finite vector space of dimension n with m blocks over GF(2) with a block containing any given nonzero vector.at n=27A270882
• Triangle read by rows: T(n, k) = Sum_{i=1..n-k} inverse-q-binomial(n-k-1, i-1) * q-binomial(n-2+i, n-2) for 0 < k < n with initial values T(n, 0) = 0 for n > 0 and T(n, n) = 1 for n >= 0, here q = 2.at n=31A355401
• a(n) = (1/(n-1)!) * Product_{i=1..n-1} (2^n-2^i).at n=5A377642