A059317 - cp's OEIS frontend

A059317 Pascal's "rhombus" (actually a triangle T(n,k), n >= 0, 0<=k<=2n) read by rows: each entry is sum of 3 terms above it in previous row and one term above it two rows back.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	4
7	2
8	1
9	1
10	3
11	8
12	9
13	8
14	3
15	1
16	1
17	4
18	13
19	22
20	29
21	22
22	13
23	4
24	1
25	1
26	5
27	19
28	42
29	72
30	82
31	72
32	42
33	19
34	5
35	1
36	1
37	6
38	26
39	70
40	146
41	218
42	255
43	218
44	146
45	70
46	26
47	6
48	1
49	1
50	7
51	34
52	107
53	261
54	476
55	691
56	773
57	691
58	476
59	261
60	107
61	34
62	7
63	1
64	1
65	8
66	43
67	154
68	428
69	914
70	1574
71	2158

[1, 1, 1, 1, 1, 2, 4, 2, 1, 1, 3, 8, 9, 8, 3, 1, 1, 4, 13, 22, 29, 22, 13, 4, 1, 1, 5, 19, 42, 72, 82, 72, 42, 19, 5, 1, 1, 6, 26, 70, 146, 218, 255, 218, 146, 70, 26, 6, 1, 1, 7, 34, 107, 261, 476, 691, 773, 691, 476, 261, 107, 34, 7, 1, 1, 8, 43, 154, 428, 914, 1574, 2158]

cp's OEIS Frontend

A059317 Pascal's "rhombus" (actually a triangle T(n,k), n >= 0, 0<=k<=2n) read by rows: each entry is sum of 3 terms above it in previous row and one term above it two rows back.

Table of values

List of values