19364

Appears in sequences

• Consider the family of multigraphs enriched by the species of partitions. Sequence gives number of those multigraphs with n loops and edges.at n=5A098621
• Row sums of triangle T(j,k) = (j^k) mod (j*k) for 1 <= k <= j (see A096133).at n=46A157351
• a(n) = 20*a(n-1) - 98*a(n-2) for n > 1; a(0) = 1, a(1) = 12.at n=4A163448
• Number of nondecreasing -n..n vectors of length 4 whose dot product with some nonincreasing -n..n vector equals 4.at n=11A226401
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 417", based on the 5-celled von Neumann neighborhood.at n=15A282068
• Successive records of function f(x) = log(abs(pi(x) - R(x)))/log(x) where pi(x) is the number of primes <= x and R(x) is Riemann's prime counting function.at n=47A353055