The number of lit cells in weakly increasing partitions of n when light shines from the northwest. Here partitions are represented from left to right by columns of cells.

A366069

The number of lit cells in weakly increasing partitions of n when light shines from the northwest. Here partitions are represented from left to right by columns of cells.

Terms

    a(0) =1a(1) =4a(2) =8a(3) =17a(4) =28a(5) =51a(6) =78a(7) =127a(8) =189a(9) =287a(10) =411a(11) =603a(12) =840a(13) =1187a(14) =1628a(15) =2242a(16) =3015a(17) =4076a(18) =5399a(19) =7173a(20) =9390a(21) =12292a(22) =15904a(23) =20585a(24) =26364a(25) =33748a(26) =42856a(27) =54348a(28) =68446a(29) =86101

External references