Second diagonal above the central terms of pendular trinomial triangle A119369, ignoring leading zeros.

A119376

Second diagonal above the central terms of pendular trinomial triangle A119369, ignoring leading zeros.

Terms

    a(0) =1a(1) =4a(2) =16a(3) =63a(4) =248a(5) =980a(6) =3894a(7) =15563a(8) =62555a(9) =252789a(10) =1026623a(11) =4188390a(12) =17159382a(13) =70570380a(14) =291253664a(15) =1205935204a(16) =5008047097a(17) =20854723702a(18) =87064706122a(19) =364334839028

External references