A252490 - cp's OEIS frontend

A252490 Numbers whose set of digits is simply connected, with 9 and 0 considered as neighbors.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	21
14	22
15	23
16	32
17	33
18	34
19	43
20	44
21	45
22	54
23	55
24	56
25	65
26	66
27	67
28	76
29	77
30	78
31	87
32	88
33	89
34	90
35	98
36	99
37	100
38	101
39	102
40	109
41	110
42	111
43	112
44	120
45	121
46	122
47	123
48	132
49	190
50	201
51	210
52	211
53	212
54	213
55	221
56	222
57	223
58	231
59	232
60	233
61	234
62	243
63	312
64	321
65	322
66	323
67	324
68	332
69	333
70	334
71	342
72	343
73	344
74	345
75	354
76	423
77	432

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 21, 22, 23, 32, 33, 34, 43, 44, 45, 54, 55, 56, 65, 66, 67, 76, 77, 78, 87, 88, 89, 90, 98, 99, 100, 101, 102, 109, 110, 111, 112, 120, 121, 122, 123, 132, 190, 201, 210, 211, 212, 213, 221, 222, 223, 231, 232, 233, 234, 243, 312, 321, 322, 323, 324, 332, 333, 334, 342, 343, 344, 345, 354, 423, 432]

cp's OEIS Frontend

A252490 Numbers whose set of digits is simply connected, with 9 and 0 considered as neighbors.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	21
14	22
15	23
16	32
17	33
18	34
19	43
20	44
21	45
22	54
23	55
24	56
25	65
26	66
27	67
28	76
29	77
30	78
31	87
32	88
33	89
34	90
35	98
36	99
37	100
38	101
39	102
40	109
41	110
42	111
43	112
44	120
45	121
46	122
47	123
48	132
49	190
50	201
51	210
52	211
53	212
54	213
55	221
56	222
57	223
58	231
59	232
60	233
61	234
62	243
63	312
64	321
65	322
66	323
67	324
68	332
69	333
70	334
71	342
72	343
73	344
74	345
75	354
76	423
77	432

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	21
14	22
15	23
16	32
17	33
18	34
19	43
20	44
21	45
22	54
23	55
24	56
25	65
26	66
27	67
28	76
29	77
30	78
31	87
32	88
33	89
34	90
35	98
36	99
37	100
38	101
39	102
40	109
41	110
42	111
43	112
44	120
45	121
46	122
47	123
48	132
49	190
50	201
51	210
52	211
53	212
54	213
55	221
56	222
57	223
58	231
59	232
60	233
61	234
62	243
63	312
64	321
65	322
66	323
67	324
68	332
69	333
70	334
71	342
72	343
73	344
74	345
75	354
76	423
77	432

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	21
14	22
15	23
16	32
17	33
18	34
19	43
20	44
21	45
22	54
23	55
24	56
25	65
26	66
27	67
28	76
29	77
30	78
31	87
32	88
33	89
34	90
35	98
36	99
37	100
38	101
39	102
40	109
41	110
42	111
43	112
44	120
45	121
46	122
47	123
48	132
49	190
50	201
51	210
52	211
53	212
54	213
55	221
56	222
57	223
58	231
59	232
60	233
61	234
62	243
63	312
64	321
65	322
66	323
67	324
68	332
69	333
70	334
71	342
72	343
73	344
74	345
75	354
76	423
77	432