Maximal number of 15432 patterns in a permutation of 1,2,...,n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =5a(6) =15a(7) =35a(8) =70a(9) =140a(10) =252a(11) =420a(12) =660a(13) =990a(14) =1485a(15) =2145a(16) =3003a(17) =4095a(18) =5460a(19) =7280a(20) =9520a(21) =12240a(22) =15504a(23) =19381a(24) =24226a(25) =29926a(26) =36576a(27) =44276a(28) =53135a(29) =63761