A081431 - cp's OEIS frontend

A081431 RevBinary(RevDecimal(n)), where RevBinary(m) is the binary reversal of m (A030101) and RevDecimal(m) is the decimal reversal of m (A004086).

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	5
6	3
7	7
8	1
9	9
10	1
11	13
12	21
13	31
14	37
15	51
16	47
17	113
18	69
19	109
20	1
21	3
22	13
23	1
24	21
25	11
26	31
27	9
28	37
29	29
30	3
31	11
32	29
33	33
34	53
35	43
36	63
37	73
38	101
39	93
40	1
41	7
42	3
43	17
44	13
45	27
46	1
47	41
48	21
49	61
50	5
51	15
52	19
53	49
54	45
55	59
56	65
57	105
58	85
59	125
60	3
61	1
62	11
63	9
64	29
65	7
66	33
67	25
68	53
69	3
70	7
71	17
72	27
73	41

[0, 1, 1, 3, 1, 5, 3, 7, 1, 9, 1, 13, 21, 31, 37, 51, 47, 113, 69, 109, 1, 3, 13, 1, 21, 11, 31, 9, 37, 29, 3, 11, 29, 33, 53, 43, 63, 73, 101, 93, 1, 7, 3, 17, 13, 27, 1, 41, 21, 61, 5, 15, 19, 49, 45, 59, 65, 105, 85, 125, 3, 1, 11, 9, 29, 7, 33, 25, 53, 3, 7, 17, 27, 41]

cp's OEIS Frontend

A081431 RevBinary(RevDecimal(n)), where RevBinary(m) is the binary reversal of m (A030101) and RevDecimal(m) is the decimal reversal of m (A004086).

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	5
6	3
7	7
8	1
9	9
10	1
11	13
12	21
13	31
14	37
15	51
16	47
17	113
18	69
19	109
20	1
21	3
22	13
23	1
24	21
25	11
26	31
27	9
28	37
29	29
30	3
31	11
32	29
33	33
34	53
35	43
36	63
37	73
38	101
39	93
40	1
41	7
42	3
43	17
44	13
45	27
46	1
47	41
48	21
49	61
50	5
51	15
52	19
53	49
54	45
55	59
56	65
57	105
58	85
59	125
60	3
61	1
62	11
63	9
64	29
65	7
66	33
67	25
68	53
69	3
70	7
71	17
72	27
73	41

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	5
6	3
7	7
8	1
9	9
10	1
11	13
12	21
13	31
14	37
15	51
16	47
17	113
18	69
19	109
20	1
21	3
22	13
23	1
24	21
25	11
26	31
27	9
28	37
29	29
30	3
31	11
32	29
33	33
34	53
35	43
36	63
37	73
38	101
39	93
40	1
41	7
42	3
43	17
44	13
45	27
46	1
47	41
48	21
49	61
50	5
51	15
52	19
53	49
54	45
55	59
56	65
57	105
58	85
59	125
60	3
61	1
62	11
63	9
64	29
65	7
66	33
67	25
68	53
69	3
70	7
71	17
72	27
73	41

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	5
6	3
7	7
8	1
9	9
10	1
11	13
12	21
13	31
14	37
15	51
16	47
17	113
18	69
19	109
20	1
21	3
22	13
23	1
24	21
25	11
26	31
27	9
28	37
29	29
30	3
31	11
32	29
33	33
34	53
35	43
36	63
37	73
38	101
39	93
40	1
41	7
42	3
43	17
44	13
45	27
46	1
47	41
48	21
49	61
50	5
51	15
52	19
53	49
54	45
55	59
56	65
57	105
58	85
59	125
60	3
61	1
62	11
63	9
64	29
65	7
66	33
67	25
68	53
69	3
70	7
71	17
72	27
73	41