53186

Appears in sequences

• Truncated square pyramid numbers: a(n) = Sum_{k = n..2*n} k^2.at n=28A050409
• Number of (0,1)-strings of length n that avoid the substrings of substrings 11101011 and 101111.at n=16A062259
• Number of configurations of the 5 X 5 variant of sliding block 15-puzzle ("24-puzzle") that require a minimum of n moves to be reached, starting with the empty square in one of the corners.at n=13A090031