29666

Appears in sequences

• Starting positions of strings of three 6's in the decimal expansion of Pi.at n=23A083625
• Column 4 of an array closely related to A083480. (Both arrays have shape sequence A083479).at n=12A089574
• Number of permutations of {1,2,...,n} in which the fixed points and the non-fixed points alternate.at n=16A162969
• Number of (w,x,y,z) with all terms in {0,...,n} such that range{w,x,y,z} is not one of the numbers w,x,y,z.at n=14A212569
• (8*n^3 + 3*n^2 + n) / 6.at n=27A219054
• Numbers k such that k and k+1 are the product of exactly four distinct primes.at n=36A318896
• Expansion of Product_{k>=1} 1/((1 - x^k) * (1 - x^(2*k)) * (1 - x^(3*k)) * (1 - x^(4*k)) * (1 - x^(5*k))).at n=23A327044
• Square array read by antidiagonals downwards: for n >= 2, T(k,n) is the number of permutations of [k+n] that differ in every position from both the identity permutation and a permutation consisting of k 1-cycles and one n-cycle.at n=44A335391
• a(n) = n! * Sum_{k=0..n} binomial(k+2,3) / k!.at n=7A368574