34470

Appears in sequences

• Array T(n,k) = number of conjugacy classes of subgroups of index k in free group of rank n, read by antidiagonals.at n=43A057004
• Number of conjugacy classes of subgroups of index n in free group of rank 2.at n=7A057005
• Number of permutations of 4 copies of 1..n avoiding adjacent step pattern up, up, down, down, up, up.at n=2A177672
• Number of partitions of n such that the number of parts and the smallest part are coprime.at n=39A200928
• Numbers n such that n is the average of four consecutive primes n-13, n-1, n+1 and n+13.at n=4A260959
• Expansion of Product_{k>=1} 1/((1-x^(3*k-1))*(1-x^(3*k-2)))^k.at n=32A262883
• a(n) is the total number of all winning moves for all partitions of n which represent Chomp positions.at n=36A284686
• G.f. satisfies A(x) = exp( Sum_{k>=1} (A(x^k) + A(i*x^k) + A(-x^k) + A(i^3*x^k))/4 * x^k/k ), where i = sqrt(-1).at n=43A363405
• Consecutive states of the linear congruential pseudo-random number generator (3661*s + 30809) mod 145800 when started at s=1.at n=1A385365