55748

Appears in sequences

• a(n) = difference between greatest two Stirling numbers S(n,k) of second kind, for k = 1,2,...,n.at n=9A024433
• 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, 0), (-1, 1, 1), (0, 0, -1), (1, 0, 0), (1, 1, 1)}.at n=8A150809
• Number of nX3 1..4 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order.at n=4A166783
• Number of maximal 2-independent sets in the 3-dimensional (2, 2, n) grid graph.at n=13A231884
• Number of partitions of 7n into 7 parts.at n=10A256287
• a(n) = [x^n] Product_{k=1..n} 1/(x^(2*k)*(1-x^k)).at n=7A258789
• Numbers k such that (536*10^k - 23)/9 is prime.at n=19A294635
• Expansion of A(x) satisfying [x^n] A(x) / (1 + x*A(x)^(n+2)) = 0 for n > 0.at n=6A360584