A345680 - cp's OEIS frontend

A345680 Nonnegative integers whose trajectory under iteration of taking the absolute value of the alternating sum of the squares of the digits (A257588) includes zero.

n	a(n)
1	0
2	7
3	11
4	22
5	29
6	33
7	34
8	38
9	43
10	44
11	47
12	49
13	55
14	56
15	59
16	65
17	66
18	70
19	74
20	77
21	83
22	88
23	92
24	94
25	95
26	99
27	108
28	110
29	117
30	125
31	126
32	131
33	138
34	142
35	147
36	148
37	149
38	161
39	168
40	171
41	172
42	179
43	182
44	184
45	185
46	195
47	196
48	205
49	212
50	220
51	227
52	234
53	237
54	238
55	241
56	258
57	265
58	269

[0, 7, 11, 22, 29, 33, 34, 38, 43, 44, 47, 49, 55, 56, 59, 65, 66, 70, 74, 77, 83, 88, 92, 94, 95, 99, 108, 110, 117, 125, 126, 131, 138, 142, 147, 148, 149, 161, 168, 171, 172, 179, 182, 184, 185, 195, 196, 205, 212, 220, 227, 234, 237, 238, 241, 258, 265, 269]

cp's OEIS Frontend

A345680 Nonnegative integers whose trajectory under iteration of taking the absolute value of the alternating sum of the squares of the digits (A257588) includes zero.

Table of values

List of values

n	a(n)
1	0
2	7
3	11
4	22
5	29
6	33
7	34
8	38
9	43
10	44
11	47
12	49
13	55
14	56
15	59
16	65
17	66
18	70
19	74
20	77
21	83
22	88
23	92
24	94
25	95
26	99
27	108
28	110
29	117
30	125
31	126
32	131
33	138
34	142
35	147
36	148
37	149
38	161
39	168
40	171
41	172
42	179
43	182
44	184
45	185
46	195
47	196
48	205
49	212
50	220
51	227
52	234
53	237
54	238
55	241
56	258
57	265
58	269

n	a(n)
1	0
2	7
3	11
4	22
5	29
6	33
7	34
8	38
9	43
10	44
11	47
12	49
13	55
14	56
15	59
16	65
17	66
18	70
19	74
20	77
21	83
22	88
23	92
24	94
25	95
26	99
27	108
28	110
29	117
30	125
31	126
32	131
33	138
34	142
35	147
36	148
37	149
38	161
39	168
40	171
41	172
42	179
43	182
44	184
45	185
46	195
47	196
48	205
49	212
50	220
51	227
52	234
53	237
54	238
55	241
56	258
57	265
58	269

n	a(n)
1	0
2	7
3	11
4	22
5	29
6	33
7	34
8	38
9	43
10	44
11	47
12	49
13	55
14	56
15	59
16	65
17	66
18	70
19	74
20	77
21	83
22	88
23	92
24	94
25	95
26	99
27	108
28	110
29	117
30	125
31	126
32	131
33	138
34	142
35	147
36	148
37	149
38	161
39	168
40	171
41	172
42	179
43	182
44	184
45	185
46	195
47	196
48	205
49	212
50	220
51	227
52	234
53	237
54	238
55	241
56	258
57	265
58	269