22416

Appears in sequences

• exp(arcsin(x)*arcsin(x))=1+2/2!*x^2+20/4!*x^4+488/6!*x^6+22416/8!*x^8...at n=4A012340
• Number of partitions of n with equal number of parts congruent to each of 2 and 4 (mod 5).at n=48A035560
• Partial sums of A120769.at n=43A120770
• Triangle, read by rows, where row n equals the coefficients of y^k in R_{n-1}(y+y^2) for k=3..n, where R_n(y) is the n-th row polynomial in y for n>=3 with R_3(y)=y^3.at n=32A187120
• Number of nX3 1..4 arrays with every element value z a city block distance of exactly z from another element value z.at n=3A209392
• Number of nX4 1..4 arrays with every element value z a city block distance of exactly z from another element value z.at n=2A209393
• T(n,k) = Number of n X k 1..4 arrays with every element value z a city block distance of exactly z from another element value z.at n=17A209394
• T(n,k) = Number of n X k 1..4 arrays with every element value z a city block distance of exactly z from another element value z.at n=18A209394
• Number of n X 2 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4.at n=8A240290
• Expansion of phi(x) * chi(x^2)^4 in powers of x where phi(), chi() are Ramanujan theta functions.at n=49A260514
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 974", based on the 5-celled von Neumann neighborhood.at n=35A273853
• a(n) = 4*p(n), where p(n) is the number of partitions of n.at n=30A299474
• a(n) = A330575(A025487(n)).at n=40A333962
• a(n) is the number of binary strings of length n not containing the substrings 0000, 0001, 0011, 0111, 1111.at n=22A373080