34359607296
domain: N
Appears in sequences
- a(n) = 2^(n-1)*(2^n - (-1)^n).at n=18A003674
- a(n) = 2^(n-1)*(2^n - 1), n >= 0.at n=18A006516
- Number of Barlow packings with group P6(bar)m2 that repeat after 2n layers.at n=36A011949
- a(n) = 4^n*(4^n - 1)/2.at n=9A026337
- Number of reversible strings with n beads of 4 colors. If more than 1 bead, not palindromic.at n=17A032087
- Number of subsets of {2,...,n} such that the product of their elements is congruent to 0 (mod n+1).at n=35A064381
- Smallest triangular number with n prime factors (counted with multiplicity).at n=23A075088
- a(n) = Sum_{k = 0..n} C(4*n + 1, 4*k).at n=9A090407
- Numbers of the form 2^(n-1)*(2^n - 1) which aren't perfect numbers.at n=12A144858
- a(n) = 6*a(n-1) - 8*a(n-2) for n > 1, a(0)=1, a(1)=6.at n=17A171476
- a(n) = 6*a(n-1) - 8*a(n-2) for n > 1; a(0) = 6, a(1) = 28.at n=16A171496
- Largest k = 2^(m - 1)*(2^m - 1) such that bigomega(k) = n or 0 if no such k exists.at n=23A215896
- Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 65", based on the 5-celled von Neumann neighborhood.at n=34A278756
- Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 213", based on the 5-celled von Neumann neighborhood.at n=34A279880
- Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 469", based on the 5-celled von Neumann neighborhood.at n=34A282418
- Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 276", based on the 5-celled von Neumann neighborhood.at n=34A287470
- Cogrowth sequence of the 16-element group C4:C4 = <S,T | S^4, T^4, STST^3>.at n=19A377855
- Cogrowth sequence of the 16-element dicyclic group Q16 = <S,T | S^8, T^4, (ST)^4, TST^3S>.at n=19A377944
- a(n) = Sum_{k=0..n} binomial(2*n+1,4*k).at n=18A387869
- a(n) = Sum_{k=0..n} binomial(3*n+1,4*k).at n=12A387870