Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions {m*(m+1)/2, m>=0} and then taking partial sums, starting with all 1's in row 0.
A152405
Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions {m*(m+1)/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) =14a(7) =8a(8) =3a(9) =1a(10) =86a(11) =45a(12) =14a(13) =4a(14) =1a(15) =645a(16) =318a(17) =86a(18) =22a(19) =5a(20) =1a(21) =5662a(22) =2671a(23) =645a(24) =152a(25) =31a(26) =6a(27) =1a(28) =56632a(29) =25805
External references
- oeis: A152405