A228391 - cp's OEIS frontend

A228391 Volume of elliptic cone (rounded down) with semi-minor axis = height = n and semi-major axis = 3*n/2.

n	a(n)
1	1
2	12
3	42
4	100
5	196
6	339
7	538
8	804
9	1145
10	1570
11	2090
12	2714
13	3451
14	4310
15	5301
16	6433
17	7717
18	9160
19	10774
20	12566
21	14547
22	16725
23	19111
24	21714
25	24543
26	27608
27	30917
28	34482
29	38310
30	42411
31	46795
32	51471
33	56449
34	61738
35	67347
36	73287
37	79565
38	86192
39	93178
40	100530
41	108260
42	116377

[1, 12, 42, 100, 196, 339, 538, 804, 1145, 1570, 2090, 2714, 3451, 4310, 5301, 6433, 7717, 9160, 10774, 12566, 14547, 16725, 19111, 21714, 24543, 27608, 30917, 34482, 38310, 42411, 46795, 51471, 56449, 61738, 67347, 73287, 79565, 86192, 93178, 100530, 108260, 116377]

cp's OEIS Frontend

A228391 Volume of elliptic cone (rounded down) with semi-minor axis = height = n and semi-major axis = 3*n/2.

Table of values

List of values