219677
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- a(n) = the number of ways in which n is equal to the sum of digits > 0 taken from numbers <= n.at n=19A245438
- Numbers n such that A003144(n) = floor(alpha*n) + 1, where alpha = 1.839... is the positive real zero of x^3-x^2-x-1.at n=33A275158
- a(n) = 4*n^3 + 5*n - 1.at n=37A383854
- Prime numbersat n=19582