Number of length 6+3 0..n arrays with some pair in every consecutive four terms totalling exactly n.
A245956
Number of length 6+3 0..n arrays with some pair in every consecutive four terms totalling exactly n.
Terms
- a(0) =298a(1) =11441a(2) =88804a(3) =525041a(4) =1744494a(5) =5208673a(6) =12257032a(7) =27206945a(8) =53051890a(9) =99643601a(10) =172531308a(11) =290962321a(12) =464076214a(13) =725751041a(14) =1089854224a(15) =1611694913a(16) =2311078842a(17) =3273303025a(18) =4525364980a(19) =6193054001a(20) =8311825918a(21) =11060605601
External references
- oeis: A245956