114346
domain: N
Appears in sequences
- The number of trisubstitution products with composition C_n H_(2n-1) X_2 Y.at n=38A159940
- Start with a 2 X n array of squares, join every vertex on top edge to every vertex on bottom edge; a(n) = one-half the number of cells.at n=34A355902
- Number of unordered pairs of n-bit numbers x, y such that gcd(x,y) = xor(x,y).at n=16A389271