34353

Appears in sequences

• Numbers k such that x^k + x + 1 is irreducible over GF(2).at n=35A002475
• Diagonal in array of n-gonal numbers A081422.at n=32A081435
• L.g.f.: A(x) = log( 1 + Sum_{n>=1} (n-1)!*x^n ) = Sum_{n>=1} a(n)*x^n/n.at n=7A141154
• Numbers k such that both the sum of the semiprime divisors of k and the sum of the prime divisors of k are squares.at n=4A227478
• Numbers k such that k = x + y, k' = x' + y' and k'' = x'' + y'', where k' and k'' are the first and second arithmetic derivatives of k.at n=12A293252
• Square array, read by rows. For n,d >= 0, a(n,d) is the number of congruences of the d-twisted partition monoid of degree n.at n=62A340914
• Fourier coefficients of the modular form (1/t_{6a}^3) * (1-6*sqrt(-3)/t_{6a}) * F_{6a}^12.at n=14A341568