35088

Appears in sequences

• Inverse binomial transform of A000960.at n=18A099064
• If X_1,...,X_n is a partition of a 2n-set X into 2-blocks (or pairs) then a(n) is equal to the number of permutations f of X such that f(X_i) != X_i for all i=1,...n.at n=4A116218
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 603", based on the 5-celled von Neumann neighborhood.at n=31A273173
• Number of equivalence classes of Dyck paths of semilength n for the string udu.at n=13A274289
• a(1)=1, a(n)=a(n-1) plus the second prime greater than a(n-1).at n=13A289217
• Numbers k such that the sum of the proper divisors of k that have the same binary weight as k is larger than k, and no subset of these divisors sums to k.at n=17A381071