38901
domain: N
Appears in sequences
- Append three digits, each increasing by one modulo 10 from the last digit of the nonnegative integers. 0 -> 123, 1 -> 1234 2 -> 2345, ... , 9 -> 9012, 10 -> 10123, etc.at n=38A167231
- Sum of first n squares of semiprimes.at n=23A217736
- Number of non-abelian groups of order prime(n)^6.at n=27A271811
- Number of pairs (a,b) such that a*b = n! and d(a) = d(b) with d = A000005 and a <= b.at n=40A277621
- Let p = n-th prime == 3 mod 8; a(n) = sum of quadratic nonresidues mod p that are > p/2.at n=21A282725
- Expansion of Product_{k>=1} (1+x^k)^((-1)^k*k^2).at n=12A307462