47904

Appears in sequences

• Number of binary words of length n in which the ones occur only in blocks of length at least 4.at n=27A005253
• Number of strings of n distinct digits from 0-9 that are the last n digits of a square in base 10.at n=6A036755
• a(n) = number of n-digit terms in A023086.at n=8A159827
• Number of (w,x,y,z) with all terms in {1,...,n} and w<|x-y|+|y-z|.at n=17A212568
• Expansion of Product_{k>=1} (1 + k!*x^k).at n=8A265950
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 901", based on the 5-celled von Neumann neighborhood.at n=32A273744
• Number of compositions of 5*n-4 into parts 2 and 5.at n=11A369844
• Expansion of (1 + x)/(1 - x^2*(1 + x)^3).at n=18A375315
• a(n) = Sum_{k=0..floor(2*n/5)} binomial(2*n-3*k,2*k).at n=14A391541