27516

Appears in sequences

• Numbers n such that the sum of the digits of Sum_{k=1..n} (k!) is divisible by n.at n=21A109657
• Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having a sum of three or less, with rows and columns of the latter in lexicographically nondecreasing order.at n=27A227265
• Slice of elementary triangular automaton rule 58, starting from a lone 1 cell.at n=14A384363