39547

Appears in sequences

• Coefficient Expansion sequence of a Weaver Morse Code polynomial (using Cyclotomic prime base dot, dash, letter space and word space symbols): p(x) = -5 - 10 x - 12 x^2 - 10 x^3 - 7 x^4 - 3 x^5 + 5 x^7 + 8 x^8 + 9 x^9 + 8 x^10 + 6 x^11 + 3 x^12 + x^13.at n=39A143389
• a(n) = 26*n^2 + 1.at n=39A158549
• Numbers k such that (58*10^k + 221)/9 is prime.at n=25A291661
• a(n) = Sum_{k=1..n} gcd(k,n)^(n/gcd(k,n) - 1).at n=26A342437
• Triangle read by rows, 1 <= k <= n: T(n,k) is the number of (unlabeled) connected graphs with n nodes and zero forcing number k.at n=38A343648