34144
domain: N
Appears in sequences
- Number of positive integers <= 2^n of form 3 x^2 + 9 y^2.at n=19A054166
- Numbers n such that (i) the largest prime factor of n is not a palindrome and (ii) the sum of the factorials of the digits of n is equal to the largest prime factor of n reversed.at n=16A074301
- Number of triangles in an n X n grid of squares with diagonals.at n=22A100583
- Let f(k) denote the largest prime factor of k which is not a palindrome. Sequence gives numbers k such that the sum of the factorials of the digits of k is equal to f(k) reversed.at n=16A111185
- Sum of divisors of n and product of divisors of n are both perfect cubes.at n=7A244428
- Two-column table read by rows: Primitive distinct pairs that have the same value of phi, sigma, and tau.at n=44A322688
- Numbers k such that 457*2^k+1 is prime.at n=14A323198
- Sum of square end-to-end displacements over all n-step self-avoiding walks of A358036.at n=7A358084