1331200
domain: N
Appears in sequences
- Expansion of (1+2*x) / (1-2*x)^4.at n=11A014483
- Binomial transform of decagonal numbers A001107.at n=13A086950
- Sums of the squares of the elements in the subsets of the integers 1 to n.at n=12A087076
- 3-parking triangle T(r, i, 3) read by rows: T(r, i, k) = (r + 1)^(i-1)*binomial(k*(r + 1) + r - i - 1, r - i) with k = 3 and 0 <= i <= r.at n=32A329059