Triangle of Euler-Bernoulli or Entringer numbers read by rows.

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =1a(8) =2a(9) =2a(10) =0a(11) =2a(12) =4a(13) =5a(14) =5a(15) =0a(16) =5a(17) =10a(18) =14a(19) =16a(20) =16a(21) =0a(22) =16a(23) =32a(24) =46a(25) =56a(26) =61a(27) =61a(28) =0a(29) =61