Number of partitions into distinct parts without three consecutive parts.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =3a(6) =3a(7) =5a(8) =6a(9) =7a(10) =9a(11) =11a(12) =13a(13) =16a(14) =20a(15) =23a(16) =28a(17) =33a(18) =39a(19) =46a(20) =55a(21) =63a(22) =75a(23) =87a(24) =101a(25) =117a(26) =136a(27) =156a(28) =180a(29) =207