A306070 - cp's OEIS frontend

A306070 Partial sums of A116550: Sum_{k=1..n} bphi(k) where bphi(k) is the bi-unitary analog of Euler's totient function.

n	a(n)
1	1
2	2
3	4
4	7
5	11
6	14
7	20
8	27
9	35
10	41
11	51
12	59
13	71
14	80
15	89
16	104
17	120
18	132
19	150
20	164
21	178
22	193
23	215
24	232
25	256
26	274
27	300
28	321
29	349
30	364
31	394
32	425
33	448
34	472
35	497
36	526
37	562
38	589
39	617
40	648
41	688
42	709
43	751
44	786
45	820
46	853
47	899
48	935
49	983
50	1019
51	1056
52	1098
53	1150
54	1189

[1, 2, 4, 7, 11, 14, 20, 27, 35, 41, 51, 59, 71, 80, 89, 104, 120, 132, 150, 164, 178, 193, 215, 232, 256, 274, 300, 321, 349, 364, 394, 425, 448, 472, 497, 526, 562, 589, 617, 648, 688, 709, 751, 786, 820, 853, 899, 935, 983, 1019, 1056, 1098, 1150, 1189]

cp's OEIS Frontend

A306070 Partial sums of A116550: Sum_{k=1..n} bphi(k) where bphi(k) is the bi-unitary analog of Euler's totient function.

Table of values

List of values