27824
domain: N
Appears in sequences
- a(n) = Sum_{k=0..9} binomial(n,k).at n=15A008862
- a(n) = 2^n - C(n,0) - C(n,1) - ... - C(n,5).at n=15A035038
- Number of planar n X n X n binary triangular grids with no more than 9 ones in any 5 X 5 X 5 subtriangle.at n=5A153543
- Number of planar n X n X n binary triangular grids with no more than 9 ones in any similarly oriented 5 X 5 X 5 subtriangle.at n=5A153571
- Triangular array: (1/2)*A193846.at n=32A193848
- Triangular array: (1/2)*A193847.at n=31A193849
- a(n) = binomial(3*n, n + 1)*hypergeom([1, 1 - 2*n], [2 + n], -1).at n=5A321957
- Triangle read by rows: T(n,k) is the number of balanced reduced multisystems of weight n with atoms colored using exactly k colors.at n=18A330776
- The numbers such that the sum of their proper divisors minus the product of their digits equals the number.at n=3A331098
- Number of tilings of a 5 X n rectangle using n pentominoes of shapes T, N, X.at n=44A361250
- Expansion of 1/(g * (2-g))^2, where g = 1+x*g^2 is the g.f. of A000108.at n=9A391222