106496
domain: N
Appears in sequences
- a(n) = 13*2^n.at n=13A005029
- Coefficients of completely replicable function "6d".at n=23A007263
- Theta series of D*_13 lattice.at n=21A022066
- a(n) = n*2^n.at n=13A036289
- Numbers whose product of distinct prime factors is equal to its sum of digits.at n=18A067077
- 14-almost primes (generalization of semiprimes).at n=12A069275
- Number of pairs of complex Golay sequences of length n.at n=15A072128
- Triangle of coefficients in expansion of sinh^2(n*x) in powers of sinh(x).at n=30A082649
- Inverse binomial transform of n*Pell(n).at n=26A093968
- Expansion of (1 - 4*x + 6*x^2)/(1 - 2*x)^2.at n=14A097064
- a(n) = -2*a(n-1) + 4*a(n-3), with a(0) = 1, a(1) = -2, a(2) = 4.at n=19A099211
- a(n) = prime(n)*2^prime(n).at n=5A100042
- Number of functions f:[n]->[n] such that f[(2*x) mod n]=[2*f(x)] mod n for all x in [n], for n=1,2,3,... Here [n] denotes {0,1,2,...,n-1}.at n=25A117987
- Dimensions of the irreducible representations of the simple Lie algebra of type F4 over the complex numbers, listed in increasing order.at n=21A121738
- Denominators of the Pierce partial sums for L(3, chi3), where L(s, chi3) is the Dirichlet L-function for the non-principal character modulo 3.at n=5A129663
- Denominator of (ordinary) expansion of log((x/2-1)/(x-1)).at n=13A131135
- Row sums of triangle A134400.at n=13A134401
- Numbers k whose squares can be written in exactly one way as a sum of three squares: k^2 = a^2 + b^2 + c^2 with 1 <= a <= b <= c.at n=43A152829
- Denominators of a series expansion for Pi/2.at n=19A156269
- Egyptian fraction expansion for Pi/4 = arctan(1/2) + arctan(1/3) (Hutton 1776).at n=12A157327