Successive sums of the successive rows of the "diamond" mentioned in A320143.
A320145
Successive sums of the successive rows of the "diamond" mentioned in A320143.
Terms
- a(0) =1a(1) =11a(2) =61a(3) =261a(4) =1036a(5) =3985a(6) =15219a(7) =58165a(8) =222865a(9) =856390a(10) =3299847a(11) =12746416a(12) =49344192a(13) =191395416a(14) =743674848a(15) =2894091631a(16) =11278509462a(17) =44009178795a(18) =171924012903a(19) =672337878973
External references
- oeis: A320145