742586

Appears in sequences

• Numbers k that divide 4^k + 3^k + 1.at n=15A057351
• Sum of two powers of 13.at n=20A072390
• Number of tilings of the Aztec dungeon D_n.at n=4A103641
• Denominator of Euler(n, 1/13).at n=5A156339
• Numbers k such that the k-th cyclotomic polynomial has a root mod 13.at n=31A245481
• Numbers whose prime factors are 2 and 13.at n=39A288162
• a(n) = Sum_{d|n} max(d, n/d)^5.at n=12A297844
• Numbers k such that k | 11^k + 7^k + 5^k + 3^k + 2^k.at n=19A343977