A162957 A162956 convolved with (1, 3, 0, 0, 0, ...).

1, 4, 7, 13, 7, 19, 34, 40, 7, 19, 34, 46, 40, 91, 142, 121, 7, 19, 34, 46, 40, 91, 142, 127, 40, 91, 148, 178, 211, 415, 547, 364, 7, 19, 34, 46, 40, 91, 142, 127, 40, 91, 148, 178, 211, 415, 547, 370, 40, 91, 148, 178, 211, 415, 553, 421, 211, 421, 622, 745, 1048, 1792, 2005, 1093

Offset: 1

Author

Gary W. Adamson, Jul 18 2009

Keywords

• nonn

Comments

Rows of A162956 tend to this sequence. Analogous to rows of A160552 tending to A151548.

Crossrefs

Cf. A162956, A162958.

Formula

Equals (1, 3, 0, 0, 0, ...) * (1, 1, 4, 1, 4, 7, 13, 1, 4, 7, 13, 7, 19, 34, 40, ...).

Extensions

a(20), a(21) corrected and more terms from Georg Fischer, Jul 17 2025