A350300 - cp's OEIS frontend

A350300 Irregular triangle read by rows: The n-th row lists the "n-th power friends", numbers k such that digsum(digsum(k^n)^n) = k but digsum(k^n) is not k.

n	a(n)
2	13
3	16
4	19
5	28
6	18
7	27
8	23
9	29
10	31
11	34
12	38
13	44
14	46
15	47
16	55
17	56
18	62
19	65
20	64
21	73
22	35
23	80
24	109
25	127
26	52
27	70
28	112
29	118
30	121
31	127
32	136
33	181
34	97
35	108
36	117
37	130
38	144
39	153
40	88
41	144
42	153
43	160
44	139
45	152
46	153
47	154
48	161
49	173
50	176
51	178
52	181
53	184
54	187
55	189
56	189
57	198

[13, 16, 19, 28, 18, 27, 23, 29, 31, 34, 38, 44, 46, 47, 55, 56, 62, 65, 64, 73, 35, 80, 109, 127, 52, 70, 112, 118, 121, 127, 136, 181, 97, 108, 117, 130, 144, 153, 88, 144, 153, 160, 139, 152, 153, 154, 161, 173, 176, 178, 181, 184, 187, 189, 189, 198]

cp's OEIS Frontend

A350300 Irregular triangle read by rows: The n-th row lists the "n-th power friends", numbers k such that digsum(digsum(k^n)^n) = k but digsum(k^n) is not k.

Table of values

List of values

n	a(n)
2	13
3	16
4	19
5	28
6	18
7	27
8	23
9	29
10	31
11	34
12	38
13	44
14	46
15	47
16	55
17	56
18	62
19	65
20	64
21	73
22	35
23	80
24	109
25	127
26	52
27	70
28	112
29	118
30	121
31	127
32	136
33	181
34	97
35	108
36	117
37	130
38	144
39	153
40	88
41	144
42	153
43	160
44	139
45	152
46	153
47	154
48	161
49	173
50	176
51	178
52	181
53	184
54	187
55	189
56	189
57	198

n	a(n)
2	13
3	16
4	19
5	28
6	18
7	27
8	23
9	29
10	31
11	34
12	38
13	44
14	46
15	47
16	55
17	56
18	62
19	65
20	64
21	73
22	35
23	80
24	109
25	127
26	52
27	70
28	112
29	118
30	121
31	127
32	136
33	181
34	97
35	108
36	117
37	130
38	144
39	153
40	88
41	144
42	153
43	160
44	139
45	152
46	153
47	154
48	161
49	173
50	176
51	178
52	181
53	184
54	187
55	189
56	189
57	198

n	a(n)
2	13
3	16
4	19
5	28
6	18
7	27
8	23
9	29
10	31
11	34
12	38
13	44
14	46
15	47
16	55
17	56
18	62
19	65
20	64
21	73
22	35
23	80
24	109
25	127
26	52
27	70
28	112
29	118
30	121
31	127
32	136
33	181
34	97
35	108
36	117
37	130
38	144
39	153
40	88
41	144
42	153
43	160
44	139
45	152
46	153
47	154
48	161
49	173
50	176
51	178
52	181
53	184
54	187
55	189
56	189
57	198