29248

Appears in sequences

• Expansion of Product_{m>=1} (1+q^m)^(m^2).at n=12A027998
• a(n) is the smallest number k such that A073813(k) = prime(n).at n=41A073814
• Least number 2k such that p^2 divides the numerator of the Bernoulli number B(2k), where p is the n-th irregular prime, A000928(n).at n=33A092681
• Number of base 28 n-digit numbers with adjacent digits differing by five or less.at n=4A126549
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 659", based on the 5-celled von Neumann neighborhood.at n=27A273386
• a(n) is the sum of lattice points enumerated by the square number spiral falling on the circumference of circles centered at the origin of radii n.at n=26A309573
• Number of fixed n-polysticks (or polyedges) in 4 dimensions.at n=4A365562
• E.g.f. A(x) satisfies A(x) = exp( sinh(x * A(x)^2) / A(x)^2 ).at n=7A381411
• Square array read by antidiagonals: T(n,d) is the number of fixed d-dimensional polysticks of size n.at n=32A385581