44373

Appears in sequences

• Numbers n such that C(4n,n)/(3n+1) (A002293) is not divisible by 4.at n=42A078971
• Numbers k such that (k / sum of digits of k) and (k+1 / sum of digits of k+1) are both prime.at n=34A085775
• Triangle of sums of Jacobsthal numbers related to binomial(4n,n)/(3n+1) mod 4.at n=33A113049
• Decimal representation of the middle column of the "Rule 9" elementary cellular automaton starting with a single ON (black) cell.at n=15A266248
• Triangular array read by rows: T(n,k) is the number of square n-permutations possessing exactly k cycles; n >= 0, 0 <= k <= n.at n=61A349645