Number of nonprime parts in the last section of the set of partitions of n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =5a(5) =9a(6) =12a(7) =20a(8) =26a(9) =39a(10) =51a(11) =76a(12) =96a(13) =136a(14) =175a(15) =241a(16) =304a(17) =412a(18) =517a(19) =686a(20) =859a(21) =1117a(22) =1392a(23) =1794a(24) =2217a(25) =2818a(26) =3478a(27) =4373a(28) =5363a(29) =6694