An inventory sequence: triangle read by rows, where T(n, k), 0 <= k <= n, records the number of k's thus far in the flattened sequence.
A032531
An inventory sequence: triangle read by rows, where T(n, k), 0 <= k <= n, records the number of k's thus far in the flattened sequence.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =1a(4) =3a(5) =0a(6) =2a(7) =3a(8) =1a(9) =2a(10) =2a(11) =4a(12) =3a(13) =3a(14) =1a(15) =2a(16) =5a(17) =4a(18) =4a(19) =3a(20) =1a(21) =2a(22) =6a(23) =5a(24) =5a(25) =3a(26) =3a(27) =1a(28) =2a(29) =7
External references
- oeis: A032531