354537
domain: N
Appears in sequences
- Numbers n such that n divides 2^n + 1.at n=32A006521
- Pseudo-powers to base 3: numbers k that are not powers of 3 such that k divides 2^k + 1.at n=20A016057
- Primitive pseudo-powers to base 3.at n=6A016058
- a(n) = n^2*(2*n^2 + 1)/3.at n=27A071270
- a(n) = (2*9^n + 3^n)/3.at n=6A082413
- Structured disdyakis triacontahedral numbers (vertex structure 7).at n=26A100159
- Primitive elements of the sequence of integers n such that n divides 2^n + 1 (A006521).at n=5A136473
- One of the two successive approximations up to 5^n for 5-adic integer sqrt(-6). This is the 2 (mod 5) case (except for n = 0).at n=8A324027
- Numbers which can be written in exactly five ways as a sum of two distinct nonzero pentagonal numbers.at n=6A333015
- Number of nonisomorphic spanning trees of the triangular snake nC_3.at n=12A374721