Unsigned matrix inverse of triangle A214398, as a triangle read by rows n >= 1.

A215241

Unsigned matrix inverse of triangle A214398, as a triangle read by rows n >= 1.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =4a(5) =1a(6) =18a(7) =26a(8) =9a(9) =1a(10) =172a(11) =256a(12) =99a(13) =16a(14) =1a(15) =2313a(16) =3489a(17) =1416a(18) =264a(19) =25a(20) =1a(21) =40626a(22) =61696a(23) =25650a(24) =5120a(25) =575a(26) =36a(27) =1a(28) =887326a(29) =1352518

External references