100348
domain: N
Appears in sequences
- Numbers n such that prime(n) == -5 (mod n).at n=21A092047
- Numbers k such that prime(k + 1) == 7 (mod k).at n=18A105421
- Number of -n..n arrays x(0..4) of 5 elements with zero sum and no element more than one greater than the previous.at n=29A199849
- Sum of divisors of n and product of divisors of n are both perfect cubes.at n=19A244428
- a(n) = Sum_{k=1..n} k*A001168(k)*binomial(n-1,k-1), where A001168(k) is the number of fixed polyominoes with k cells.at n=7A343208