a(n) = [x^n] (1/5040 * Sum_{k=0..n} (k+7)!*x^k)^(1/4).
A303614
a(n) = [x^n] (1/5040 * Sum_{k=0..n} (k+7)!*x^k)^(1/4).
Terms
- a(0) =1a(1) =2a(2) =12a(3) =100a(4) =1016a(5) =11904a(6) =155896a(7) =2237264a(8) =34713216a(9) =576780384a(10) =10190672448a(11) =190437245568
External references
- oeis: A303614