A227015 - cp's OEIS frontend

A227015 a(n) = floor(M(g(n-1)+1, ..., g(n))), where M = harmonic mean and g(n) = n^3 + n^2 + n + 1.

n	a(n)
1	2
2	8
3	26
4	60
5	117
6	203
7	324
8	487
9	696
10	958
11	1279
12	1666
13	2123
14	2657
15	3274
16	3981
17	4782
18	5684
19	6693
20	7816
21	9057
22	10423
23	11920
24	13555
25	15332
26	17258
27	19339
28	21582
29	23991
30	26573
31	29334
32	32281
33	35418
34	38752
35	42289
36	46036
37	49997
38	54179
39	58588
40	63231
41	68112
42	73238

[2, 8, 26, 60, 117, 203, 324, 487, 696, 958, 1279, 1666, 2123, 2657, 3274, 3981, 4782, 5684, 6693, 7816, 9057, 10423, 11920, 13555, 15332, 17258, 19339, 21582, 23991, 26573, 29334, 32281, 35418, 38752, 42289, 46036, 49997, 54179, 58588, 63231, 68112, 73238]

cp's OEIS Frontend

A227015 a(n) = floor(M(g(n-1)+1, ..., g(n))), where M = harmonic mean and g(n) = n^3 + n^2 + n + 1.

Table of values

List of values