Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions 0 and {(m+1)*(m+2)/2-2, m>0} and then taking partial sums, starting with all 1's in row 0.
A156628
Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions 0 and {(m+1)*(m+2)/2-2, 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) =13a(7) =7a(8) =3a(9) =1a(10) =71a(11) =33a(12) =13a(13) =4a(14) =1a(15) =461a(16) =191a(17) =71a(18) =20a(19) =5a(20) =1a(21) =3447a(22) =1297a(23) =461a(24) =120a(25) =28a(26) =6a(27) =1a(28) =29093a(29) =10063
External references
- oeis: A156628