A104432 Number of ways to split 1, 2, 3, ..., 6n into n arithmetic progressions each with 6 terms.

1, 1, 2, 4, 10, 20, 57, 119, 329, 760, 1942, 4452, 13574, 30665, 80117, 194856, 540694

Offset: 0

Author

Jonas Wallgren, Mar 17 2005

Keywords

• nonn

Crossrefs

Cf. A104429-A104431, A104433-A104443.

Extensions

a(0), a(11)-a(16) from Alois P. Heinz, Nov 18 2020