Subminimal numbers, from minimal numbers by analogy with subfactorials.

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =4a(5) =6a(6) =9a(7) =13a(8) =18a(9) =22a(10) =24a(11) =44a(12) =53a(13) =66a(14) =71a(15) =88a(16) =132a(17) =212a(18) =265a(19) =309a(20) =331a(21) =353a(22) =377a(23) =464a(24) =477a(25) =618a(26) =927a(27) =1059a(28) =1130a(29) =1324