A061715 - cp's OEIS frontend

A061715 Numbers which are sandwiched between two numbers having the same ordered canonical form.

n	a(n)
1	4
2	6
3	12
4	18
5	30
6	34
7	42
8	56
9	60
10	72
11	86
12	92
13	94
14	102
15	108
16	138
17	142
18	144
19	150
20	160
21	180
22	184
23	186
24	192
25	198
26	202
27	204
28	214
29	216
30	218
31	220
32	228
33	236
34	240
35	248
36	266
37	270
38	282
39	300
40	302
41	304
42	312
43	320
44	322
45	328
46	340
47	348
48	392
49	394
50	412
51	414
52	416
53	420
54	424
55	432

[4, 6, 12, 18, 30, 34, 42, 56, 60, 72, 86, 92, 94, 102, 108, 138, 142, 144, 150, 160, 180, 184, 186, 192, 198, 202, 204, 214, 216, 218, 220, 228, 236, 240, 248, 266, 270, 282, 300, 302, 304, 312, 320, 322, 328, 340, 348, 392, 394, 412, 414, 416, 420, 424, 432]

cp's OEIS Frontend

A061715 Numbers which are sandwiched between two numbers having the same ordered canonical form.

Table of values

List of values

n	a(n)
1	4
2	6
3	12
4	18
5	30
6	34
7	42
8	56
9	60
10	72
11	86
12	92
13	94
14	102
15	108
16	138
17	142
18	144
19	150
20	160
21	180
22	184
23	186
24	192
25	198
26	202
27	204
28	214
29	216
30	218
31	220
32	228
33	236
34	240
35	248
36	266
37	270
38	282
39	300
40	302
41	304
42	312
43	320
44	322
45	328
46	340
47	348
48	392
49	394
50	412
51	414
52	416
53	420
54	424
55	432

n	a(n)
1	4
2	6
3	12
4	18
5	30
6	34
7	42
8	56
9	60
10	72
11	86
12	92
13	94
14	102
15	108
16	138
17	142
18	144
19	150
20	160
21	180
22	184
23	186
24	192
25	198
26	202
27	204
28	214
29	216
30	218
31	220
32	228
33	236
34	240
35	248
36	266
37	270
38	282
39	300
40	302
41	304
42	312
43	320
44	322
45	328
46	340
47	348
48	392
49	394
50	412
51	414
52	416
53	420
54	424
55	432

n	a(n)
1	4
2	6
3	12
4	18
5	30
6	34
7	42
8	56
9	60
10	72
11	86
12	92
13	94
14	102
15	108
16	138
17	142
18	144
19	150
20	160
21	180
22	184
23	186
24	192
25	198
26	202
27	204
28	214
29	216
30	218
31	220
32	228
33	236
34	240
35	248
36	266
37	270
38	282
39	300
40	302
41	304
42	312
43	320
44	322
45	328
46	340
47	348
48	392
49	394
50	412
51	414
52	416
53	420
54	424
55	432