A104433 Number of ways to split 1, 2, 3, ..., 7n into n arithmetic progressions each with 7 terms.

1, 1, 2, 4, 10, 20, 56, 117, 323, 745, 1896, 4242, 12883, 29108, 75725, 183366, 504215, 1176776

Offset: 0

Author

Jonas Wallgren, Mar 17 2005

Keywords

• nonn
• more

Crossrefs

Cf. A104429-A104432, A104434-A104443.

Extensions

a(0), a(11)-a(17) from Alois P. Heinz, Nov 18 2020