65918
domain: N
Appears in sequences
- Numbers n such that there are integers a < b with a^2+(a+1)^2+...+(n-1)^2 = (n+1)^2+(n+2)^2+...+b^2.at n=11A094552
- 1/8 the number of n X n arrays of squares of integers with every 2X2 subblock summing to 31.at n=15A159230
- Number of binary strings of length n that avoid the pattern x x^R x (x^R is the reversal of x).at n=37A261204