Triangle read by rows, related to number of permutations of [n] with 0 successions and k rises.

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =1a(5) =7a(6) =1a(7) =1a(8) =21a(9) =21a(10) =1a(11) =1a(12) =51a(13) =161a(14) =51a(15) =1a(16) =1a(17) =113a(18) =813a(19) =813a(20) =113a(21) =1a(22) =1a(23) =239a(24) =3361a(25) =7631a(26) =3361a(27) =239a(28) =1a(29) =1