Number of 1342-avoiding odd Grassmannian permutations of size n.

Terms

a(0) =0a(1) =0a(2) =1a(3) =2a(4) =6a(5) =9a(6) =19a(7) =25a(8) =44a(9) =54a(10) =85a(11) =100a(12) =146a(13) =167a(14) =231a(15) =259a(16) =344a(17) =380a(18) =489a(19) =534a(20) =670a(21) =725a(22) =891a(23) =957a(24) =1156a(25) =1234a(26) =1469a(27) =1560a(28) =1834a(29) =1939