A049454 - cp's OEIS frontend

A049454 a(n) = 1 + Sum_{i=1..n} phi(i)^2.

n	a(n)
0	1
1	2
2	3
3	7
4	11
5	27
6	31
7	67
8	83
9	119
10	135
11	235
12	251
13	395
14	431
15	495
16	559
17	815
18	851
19	1175
20	1239
21	1383
22	1483
23	1967
24	2031
25	2431
26	2575
27	2899
28	3043
29	3827
30	3891
31	4791
32	5047
33	5447
34	5703
35	6279
36	6423
37	7719
38	8043
39	8619
40	8875
41	10475
42	10619
43	12383

[1, 2, 3, 7, 11, 27, 31, 67, 83, 119, 135, 235, 251, 395, 431, 495, 559, 815, 851, 1175, 1239, 1383, 1483, 1967, 2031, 2431, 2575, 2899, 3043, 3827, 3891, 4791, 5047, 5447, 5703, 6279, 6423, 7719, 8043, 8619, 8875, 10475, 10619, 12383]

cp's OEIS Frontend

A049454 a(n) = 1 + Sum_{i=1..n} phi(i)^2.

Table of values

List of values