Number of partitions of n where the difference between consecutive parts is at most 2.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =6a(6) =9a(7) =11a(8) =16a(9) =19a(10) =26a(11) =31a(12) =42a(13) =50a(14) =65a(15) =78a(16) =100a(17) =119a(18) =149a(19) =178a(20) =222a(21) =263a(22) =322a(23) =382a(24) =465a(25) =549a(26) =660a(27) =778a(28) =932a(29) =1093