31009

Appears in sequences

• Expansion of series related to Liouville's Last Theorem: g.f. sum_{t>0} (-1)^(t+1) *x^(t*(t+1)/2) / ( (1-x^t)^5 *product_{i=1..t} (1-x^i) ).at n=19A059822
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 0), (1, -1, 1), (1, 1, -1), (1, 1, 1)}.at n=8A149745
• Indices of primes in the 8th-order Fibonacci number sequence, A123526.at n=37A254412
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 105", based on the 5-celled von Neumann neighborhood.at n=35A270162
• Number of plane 5-regular simple connected graphs with 2n vertices.at n=9A301425