A174163 - cp's OEIS frontend

A174163 a(n) = (A173919(k)*A173919(k+1))/2.

n	a(n)
1	1
2	3
3	6
4	10
5	15
6	21
7	35
8	55
9	66
10	78
11	104
12	136
13	153
14	171
15	209
16	253
17	322
18	406
19	435
20	465
21	558
22	666
23	740
24	820
25	861
26	903
27	989
28	1081
29	1222
30	1378
31	1537
32	1711
33	1770
34	1830
35	2013
36	2211
37	2345
38	2485
39	2556
40	2628
41	2847
42	3081
43	3239
44	3403
45	3652
46	3916
47	4272
48	4656
49	4850
50	5050
51	5151
52	5253

[1, 3, 6, 10, 15, 21, 35, 55, 66, 78, 104, 136, 153, 171, 209, 253, 322, 406, 435, 465, 558, 666, 740, 820, 861, 903, 989, 1081, 1222, 1378, 1537, 1711, 1770, 1830, 2013, 2211, 2345, 2485, 2556, 2628, 2847, 3081, 3239, 3403, 3652, 3916, 4272, 4656, 4850, 5050, 5151, 5253]

cp's OEIS Frontend

A174163 a(n) = (A173919(k)*A173919(k+1))/2.

Table of values

List of values