64064
domain: N
Appears in sequences
- Degrees of irreducible representations of Suzuki group Suz.at n=23A003902
- Expansion of g.f. 8/(1+sqrt(1-8*x))^3.at n=6A085687
- a(n) = n(n-1)(n-3)(n-6)...(n-t), where t is the largest triangular number less than n; number of factors in the product is ceiling((sqrt(1+8*n)-1)/2).at n=13A094261
- Riordan array (1, x*c(2x)), c(x) the g.f. of A000108.at n=48A110510
- Riordan array (1/(1+2xc(-2x)),xc(-2x)/(1+2xc(-2x))), c(x) the g.f. of A000108.at n=29A114193
- Inverse of number triangle A128412.at n=30A128413
- Number triangle T(n,k) = 2^(n-k)*C(2*n,n-k).at n=30A128417
- If X_1,...,X_n is a partition of a 2n-set X into 2-blocks then a(n) is equal to the number of 5-subsets of X containing none of X_i, (i=1,...n).at n=9A130811
- Numbers k such that k and k^2 use only the digits 0, 1, 4, 6 and 9.at n=36A136862
- a(n) = binomial(n+9,9)*2^n.at n=5A140354
- a(n) is the self-convolution series of the sum of 4th powers of the first n natural numbers.at n=5A145217
- Riordan array (c(2x)^2,xc(2x)), c(x) the g.f. of A000108.at n=29A167432
- Number of collinear point 9-tuples in an n X n cubical grid.at n=13A178261
- Triangle of coefficients of a polynomial sequence related to the Morgan-Voyce polynomials A085478.at n=60A211957
- 9-quantum transitions in systems of N >= 9 spin 1/2 particles, in columns by combination indices.at n=9A213351
- Numbers of the form x^3 + SumOfCubedDigits(x).at n=40A225051
- Denominators of constants A(a) related to the asymptotic LCM of arithmetic progressions a*n+b (a and b coprime).at n=14A249226
- Starting a random walk on Z at 0 triangle T(j,k) gives the number of paths of length 2*j returning to 0 exactly k times.at n=61A276418
- Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 414", based on the 5-celled von Neumann neighborhood.at n=15A282008
- Triangle T(n,k) read by rows, where the k-th column is the shifted self-convolution of the power function n^k, n >= 0, 0 <= k <= n.at n=70A306548