9381251
domain: N
Appears in sequences
- a(n) = binomial(4*n,4).at n=30A060541
- a(n) = A001512(n)/24 = (5*n+1)*(5*n+2)*(5*n+3)*(5*n+4)/24.at n=24A151989
- a(n) = 5^n - ( (sqrt(5)*phi)^n + (sqrt(5)/phi)^n ) + 1, where phi = golden ratio A001622.at n=10A245561
- a(n) is the smallest number with exactly n divisors such that all its divisors end with the same digit (which is necessarily 1).at n=23A338784