Sequence of coefficients of x in marked mesh pattern generating function Q_{n,132}^(0,0,2,0)(x).

Terms

a(0) =2a(1) =7a(2) =21a(3) =53a(4) =124a(5) =273a(6) =577a(7) =1181a(8) =2358a(9) =4614a(10) =8880a(11) =16854a(12) =31612a(13) =58691a(14) =108003a(15) =197203a(16) =357596a(17) =644463a(18) =1155059a(19) =2059897a(20) =3656988a(21) =6465660a(22) =11388480a(23) =19990140a(24) =34976870a(25) =61019071a(26) =106160481a(27) =184228193a(28) =318948124a(29) =550962717