A210239 - cp's OEIS frontend

A210239 Triangle, read by rows, given by (2, -1, 0, 0, 0, 0, 0, 0, 0, ...) DELTA (2, -1/2, -1/2, 0, 0, 0, 0, 0, 0, 0, ...) where DELTA is the operator defined in A084938.

n	a(n)
0	1
1	2
2	2
3	2
4	5
5	3
6	2
7	9
8	12
9	5
10	2
11	13
12	28
13	25
14	8
15	2
16	17
17	52
18	74
19	50
20	13
21	2
22	21
23	84
24	167
25	177
26	96
27	21
28	2
29	25
30	124
31	320
32	470
33	397
34	180
35	34
36	2
37	29
38	172
39	549
40	1041
41	1211
42	850
43	331
44	55
45	2
46	33
47	228
48	870
49	2034
50	3042
51	2928
52	1758
53	600
54	89

[1, 2, 2, 2, 5, 3, 2, 9, 12, 5, 2, 13, 28, 25, 8, 2, 17, 52, 74, 50, 13, 2, 21, 84, 167, 177, 96, 21, 2, 25, 124, 320, 470, 397, 180, 34, 2, 29, 172, 549, 1041, 1211, 850, 331, 55, 2, 33, 228, 870, 2034, 3042, 2928, 1758, 600, 89]

cp's OEIS Frontend

A210239 Triangle, read by rows, given by (2, -1, 0, 0, 0, 0, 0, 0, 0, ...) DELTA (2, -1/2, -1/2, 0, 0, 0, 0, 0, 0, 0, ...) where DELTA is the operator defined in A084938.

Table of values

List of values