A228641 - cp's OEIS frontend

A228641 Volume of torus (rounded down) with major radius = n and minor radius = n/3.

n	a(n)
1	2
2	17
3	59
4	140
5	274
6	473
7	752
8	1122
9	1598
10	2193
11	2919
12	3789
13	4818
14	6018
15	7402
16	8983
17	10775
18	12791
19	15043
20	17545
21	20311
22	23353
23	26685
24	30319
25	34269
26	38548
27	43169
28	48146
29	53491
30	59217
31	65338
32	71868
33	78818
34	86203
35	94035
36	102328
37	111094
38	120347
39	130101
40	140367
41	151160

[2, 17, 59, 140, 274, 473, 752, 1122, 1598, 2193, 2919, 3789, 4818, 6018, 7402, 8983, 10775, 12791, 15043, 17545, 20311, 23353, 26685, 30319, 34269, 38548, 43169, 48146, 53491, 59217, 65338, 71868, 78818, 86203, 94035, 102328, 111094, 120347, 130101, 140367, 151160]

cp's OEIS Frontend

A228641 Volume of torus (rounded down) with major radius = n and minor radius = n/3.

Table of values

List of values