63111
domain: N
Appears in sequences
- Sort then Add, a(1)=3.at n=16A033893
- Number of base 9 n-digit numbers with adjacent digits differing by three or less.at n=6A126477
- Concatenation of multiplicities of prime divisors of highly composite numbers A002182(n).at n=36A245500
- a(n) = 2*a(n-1) - a(n-3) + 2*a(floor(n/2)) + 3*a(floor(n/3)) + ... + n*a(floor(n/n)), where a(0) = 1, a(1) = 1, a(2) = 1.at n=16A298408
- a(n) = (n!)^n * [x^n] -log(Sum_{k>=0} (-x)^k / (k!)^n).at n=4A336439
- Row sums of A339494.at n=15A339495