Boustrophedon transform of triangular numbers 1,1,3,6,10,...

A000718

Boustrophedon transform of triangular numbers 1,1,3,6,10,...

Terms

    a(0) =1a(1) =2a(2) =6a(3) =20a(4) =65a(5) =226a(6) =883a(7) =3947a(8) =20089a(9) =115036a(10) =732171a(11) =5126901a(12) =39165917a(13) =324138010a(14) =2888934623a(15) =27587288507a(16) =281001801969

External references