A277437 - cp's OEIS frontend

A277437 Square array read by antidiagonals upwards in which T(n,k) is the n-th number j such that, descending by the main diagonal of the pyramid described in A245092, the height difference between the level j (starting from the top) and the level of the next terrace is equal to k.

n	a(n)
1	1
2	3
3	2
4	5
5	4
6	9
7	7
8	6
9	12
10	20
11	8
12	10
13	21
14	36
15	72
16	11
17	13
18	25
19	50
20	91
21	144
22	14
23	16
24	32
25	56
26	112

[1, 3, 2, 5, 4, 9, 7, 6, 12, 20, 8, 10, 21, 36, 72, 11, 13, 25, 50, 91, 144, 14, 16, 32, 56, 112]