94326
domain: N
Appears in sequences
- Expansion of (1+3*x+9*x^2+9*x^3+9*x^4+3*x^5+x^6) /( (1+x)^2 * (1-x)^5 ).at n=22A175898
- a(n) = (35*n^4 - 105*n^3 + 160*n^2 - 120*n + 36)/6.at n=11A181342
- Number of domino tilings of Ferrers-Young diagrams of partitions of 2n using exactly floor(n/2) horizontally oriented dominoes.at n=15A304719
- Dot product of the first n primes and the first n triangular numbers.at n=20A378493