A338204 - cp's OEIS frontend

A338204 a(n) is the sum of odd-indexed terms (of every row) of the first n rows of the triangle A237591.

n	a(n)
1	1
2	3
3	5
4	8
5	11
6	16
7	21
8	27
9	34
10	41
11	48
12	57
13	66
14	75
15	86
16	98
17	110
18	123
19	136
20	151
21	166
22	181
23	196
24	213
25	231
26	249
27	267
28	287
29	307
30	329
31	351
32	374
33	397
34	420
35	445
36	471
37	497
38	523
39	549
40	577
41	605
42	635
43	665
44	695
45	727
46	759
47	791
48	825
49	860
50	896
51	932
52	968
53	1004
54	1042
55	1080
56	1120
57	1160
58	1200
59	1240
60	1282

[1, 3, 5, 8, 11, 16, 21, 27, 34, 41, 48, 57, 66, 75, 86, 98, 110, 123, 136, 151, 166, 181, 196, 213, 231, 249, 267, 287, 307, 329, 351, 374, 397, 420, 445, 471, 497, 523, 549, 577, 605, 635, 665, 695, 727, 759, 791, 825, 860, 896, 932, 968, 1004, 1042, 1080, 1120, 1160, 1200, 1240, 1282]

cp's OEIS Frontend

A338204 a(n) is the sum of odd-indexed terms (of every row) of the first n rows of the triangle A237591.

Table of values

List of values