18305
domain: N
Appears in sequences
- Multiplicity of highest weight (or singular) vectors associated with character chi_123 of Monster module.at n=41A034511
- Number of mobiles (circular rooted trees) with n nodes and 3 leaves.at n=28A055341
- Array defined in A064643 read from left to right (cf. A107783).at n=33A064644
- Numbers which are sums of two and also sums of three positive cubes.at n=33A085336
- Numbers which are sums of two, three and four cubes.at n=21A085337
- Numbers which are sums of two, three, four and also sums of five cubes.at n=20A085338
- Numbers n for which there are exactly seven k such that n = k + (product of nonzero digits of k).at n=2A096928
- a(n) = n^3 + (n+1)^2.at n=26A100705
- Array defined in A064643 read in direction in which it was created.at n=30A107783
- Numbers n such that p(12n) is prime, where p(n) is the number of partitions of n.at n=24A115214
- Terms of A024670 that are not in A141805.at n=22A141806
- Number of permutations of 1..n containing the relative rank sequence { 251463 } at any spacing.at n=3A159161
- Rectified 5-cell numbers: the coefficient of x^{2n-2} in (1+x+x^2+ ... + x^{n-1})^5.at n=14A179095
- G.f. satisfies: A(x) = exp( Sum_{n>=1} x^n/n * Product_{d|n} A(d*x^n) ).at n=12A205499
- Number of length 4+1 0..n arrays with the sum of the maximum of each adjacent pair multiplied by some arrangement of +-1 equal to zero.at n=7A250648
- a(n) = n*(n + 1)*(5*n^2 + 5*n - 4)/12.at n=14A264853
- Ulam numbers u such that 5*u is also an Ulam number.at n=31A287613
- Number of integer partitions of n with unsortable prime factors.at n=42A326332