Partial sums of A087100.

Terms

a(0) =0a(1) =1a(2) =12a(3) =15a(4) =37a(5) =44a(6) =77a(7) =92a(8) =136a(9) =167a(10) =222a(11) =285a(12) =351a(13) =478a(14) =555a(15) =810a(16) =898a(17) =1409a(18) =1508a(19) =2531a(20) =2641a(21) =4688a(22) =4809a(23) =8904a(24) =9036a(25) =17227a(26) =17370a(27) =33753a(28) =33907a(29) =66674