20308

Appears in sequences

• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BRE = Brewsterite (Sr,Ba)2[Al4Si12O32].10H2O starting with a T3 atom.at n=13A019084
• McKay-Thompson series of class 28a for Monster.at n=34A058610
• Number of 6-step one space at a time bishop's tours on an n X n board summed over all starting positions.at n=11A187159
• Number of 5-step S, E, and NW-moving king's tours on an n X n board summed over all starting positions.at n=21A187510
• Dispersion of (2*floor(n*r)), where r=(golden ratio), by antidiagonals.at n=45A191454
• Number of n X 3 nonnegative integer arrays with upper left 0 and every value within 2 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down.at n=24A252831
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 182", based on the 5-celled von Neumann neighborhood.at n=7A270631
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 531", based on the 5-celled von Neumann neighborhood.at n=27A272752
• Expansion of g^2/(1 + x^3*g^4), where g = 1+x*g^3 is the g.f. of A001764.at n=7A391302