A282090 - cp's OEIS frontend

A282090 Totient numbers (A002202) of the form 1 + k + k^2 + k^3 +...+ k^i (i > 1, k > 1).

n	a(n)
1	40
2	156
3	400
4	820
5	1464
6	2380
7	3280
8	3616
9	3906
10	5220
11	7240
12	9724
13	12720
14	19608
15	20440
16	25260
17	30784
18	37060
19	60880
20	66430
21	70644
22	81400
23	93196
24	97656
25	106080
26	120100
27	135304
28	151740
29	169456
30	177156
31	188500
32	254080
33	265720
34	278916
35	333340
36	363024
37	394420
38	427576
39	462540
40	499360

[40, 156, 400, 820, 1464, 2380, 3280, 3616, 3906, 5220, 7240, 9724, 12720, 19608, 20440, 25260, 30784, 37060, 60880, 66430, 70644, 81400, 93196, 97656, 106080, 120100, 135304, 151740, 169456, 177156, 188500, 254080, 265720, 278916, 333340, 363024, 394420, 427576, 462540, 499360]

cp's OEIS Frontend

A282090 Totient numbers (A002202) of the form 1 + k + k^2 + k^3 +...+ k^i (i > 1, k > 1).

Table of values

List of values