Number of partitions of n where the difference between consecutive parts is at most 4.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =7a(6) =11a(7) =14a(8) =20a(9) =26a(10) =36a(11) =46a(12) =63a(13) =79a(14) =104a(15) =131a(16) =169a(17) =210a(18) =269a(19) =332a(20) =418a(21) =515a(22) =640a(23) =782a(24) =967a(25) =1173a(26) =1435a(27) =1736a(28) =2108a(29) =2534