188416

Appears in sequences

• Exponential-convolution of natural numbers with themselves.at n=12A007466
• 14-almost primes (generalization of semiprimes).at n=23A069275
• a(n) is the number of occurrences of 7's in the palindromic compositions of 2*n-1, or also, the number of occurrences of 8's in the palindromic compositions of 2*n.at n=13A079861
• a(n) is the number of occurrences of 11s in the palindromic compositions of m=2*n-1 = the number of occurrences of 12s in the palindromic compositions of m=2*n.at n=12A079863
• Row sums of triangle A133085.at n=14A133086
• a(n) = (7 + (-1)^n + 6*n)*2^(n-3).at n=14A179608
• Triangular array: the fusion of polynomial sequences P and Q given by p(n,x) = (x+2)^n and q(n,x) = (2*x+1)^n.at n=37A193728
• Mirror of the triangle A193728.at n=43A193729
• Up-down permutations on [n] whose peaks have k rises.at n=39A194354
• Number of n X 5 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=15A207450
• Expansion of x*(5+x+x^2)/(1-2*x).at n=16A248646
• If n = 10k+m (0 <= m <= 9) then a(n) = n*k^m.at n=45A256556
• Number of length-n binary strings achieving the maximum possible subword complexity.at n=34A306688