31965
domain: N
Appears in sequences
- Number of planted identity matched trees with n nodes.at n=9A005754
- Bessel numbers: the number of nonoverlapping partitions of an n-set into equivalence classes.at n=10A006789
- Third diagonal of A027516.at n=10A027521
- Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 16 (most significant digit on right).at n=30A029509
- Multiplicity of highest weight (or singular) vectors associated with character chi_15 of Monster module.at n=42A034403
- Numbers k such that 189*2^k-1 is prime.at n=40A050846
- a(n) = number of primes of the form P(k) = k^2 + k + 41 for k <= 10^n as predicted by the Hardy and Littlewood Conjecture F, rounded to nearest integer. The actual number of primes is A331876(n).at n=4A331877