62270208000
domain: N
Appears in sequences
- Number of pairs of sequences of cardinality at least 2.at n=13A052520
- E.g.f. (1-x)/(1-x-x^4).at n=13A052581
- Square root of largest square dividing n!.at n=25A055772
- a(n) = (4*n)!*(n+1)!/(2*n)!.at n=4A065236
- a(n) = n!/A124901(n).at n=11A124903
- a(n) is the period k such that binomial(m, n) (mod 10) = binomial(m + k, n) (mod 10).at n=13A174183
- Denominator of the third row of the inverse Akiyama-Tanigawa algorithm from 1/n.at n=11A194506
- Duplicate of A124903.at n=11A197954
- G.f.: Sum_{n>=0} (n+3)^n * x^n / (1 + (n+3)*x)^n.at n=13A230056
- Number of cyclic diagonal Latin squares of order 2n+1.at n=6A338562