A139801 - cp's OEIS frontend

A139801 A139687(n) (1, 1, 1, 2, 2, 1) differences by rows, 0's deleted (*).Triangle on line.

n	a(n)
0	1
1	2
2	2
3	2
4	3
5	3
6	3
7	6
8	9
9	9
10	3
11	6
12	10
13	14
14	14
15	4
16	10
17	20
18	34
19	48
20	48
21	4
22	10
23	20
24	35
25	55
26	75
27	75
28	5
29	15
30	35
31	70
32	125
33	200
34	275
35	275
36	5
37	15
38	35
39	70
40	126
41	209
42	319
43	429
44	429
45	6
46	21
47	56
48	126
49	252
50	461
51	780
52	1209
53	1638
54	1638

[1, 2, 2, 2, 3, 3, 3, 6, 9, 9, 3, 6, 10, 14, 14, 4, 10, 20, 34, 48, 48, 4, 10, 20, 35, 55, 75, 75, 5, 15, 35, 70, 125, 200, 275, 275, 5, 15, 35, 70, 126, 209, 319, 429, 429, 6, 21, 56, 126, 252, 461, 780, 1209, 1638, 1638]

cp's OEIS Frontend

A139801 A139687(n) (1, 1, 1, 2, 2, 1) differences by rows, 0's deleted (*).Triangle on line.

Table of values

List of values