Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions {floor(m*(m+7)/6), m>=0} and then taking partial sums, starting with all 1's in row 0.

A136217

Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions {floor(m*(m+7)/6), m>=0} and then taking partial sums, starting with all 1's in row 0.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =2a(5) =1a(6) =15a(7) =8a(8) =3a(9) =1a(10) =108a(11) =49a(12) =15a(13) =4a(14) =1a(15) =1036a(16) =414a(17) =108a(18) =24a(19) =5a(20) =1a(21) =12569a(22) =4529a(23) =1036a(24) =198a(25) =34a(26) =6a(27) =1a(28) =185704a(29) =61369

External references