131784
domain: N
Appears in sequences
- a(n) = 2*(n+1)*binomial(n+3,4).at n=15A027789
- Partial sums of A051836.at n=15A051923
- a(n) = (11*n+5)*(n+4)*(n+3)*(n+2)*(n+1)/120.at n=15A056118
- Eighth column (m=7) of (1,3)-Pascal triangle A095660.at n=13A095663
- Seventh column (m=6) of (1,6)-Pascal triangle A096956.at n=15A097297
- Numbers k such that 3*10^k + 6*R_k - 5 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=22A102974
- Numbers n such that n^4 is a sum of 4th powers of four nonzero integers whose sum is n.at n=25A138760
- Maximally refined partitions into distinct parts (of any natural number) with largest part n.at n=31A179822
- Number of (n+2) X 4 binary arrays avoiding patterns 001 and 101 in rows and columns.at n=14A202196
- a(n) = n*(n+1)*(n+2)*(n+3)*(n+4)*(n^2+4*n+37)/5040.at n=15A257201
- a(n) = 2*(2*n+1)*A000538(n) - 4*A000330(n)^2.at n=8A259317
- a(n) = Sum_{k=0..floor(4*n/7)} binomial(k+3,4*n-7*k).at n=33A390039
- a(n) = Sum_{k=0..floor(n/2)} binomial(k+3,4*n-8*k+3).at n=37A390040