Maximum number of copies of a 123456 permutation pattern in an alternating (or zig-zag) permutation of length n + 9.

A339356

Maximum number of copies of a 123456 permutation pattern in an alternating (or zig-zag) permutation of length n + 9.

Terms

    a(0) =16a(1) =32a(2) =144a(3) =256a(4) =688a(5) =1120a(6) =2352a(7) =3584a(8) =6496a(9) =9408a(10) =15456a(11) =21504a(12) =32928a(13) =44352a(14) =64416a(15) =84480a(16) =117744a(17) =151008a(18) =203632a(19) =256256a(20) =336336a(21) =416416a(22) =534352a(23) =652288a(24) =821184a(25) =990080a(26) =1226176a(27) =1462272a(28) =1785408a(29) =2108544

External references