A091679 - cp's OEIS frontend

A091679 In base 4, numbers n not of the form k + reverse(k) for any k.

n	a(n)
0	1
1	3
2	7
3	8
4	9
5	11
6	12
7	13
8	14
9	16
10	18
11	19
12	21
13	22
14	23
15	24
16	26
17	27
18	28
19	29
20	31
21	32
22	35
23	36
24	37
25	38
26	39
27	40
28	43
29	44
30	45
31	46
32	47
33	48
34	49
35	52
36	53
37	54
38	55
39	56
40	57
41	60
42	61
43	62
44	63
45	64
46	66
47	69
48	70
49	71
50	72
51	73
52	74
53	77
54	78
55	79
56	80
57	81
58	82
59	83
60	86
61	87
62	88
63	89
64	90
65	91
66	94
67	95
68	96
69	97
70	98

[1, 3, 7, 8, 9, 11, 12, 13, 14, 16, 18, 19, 21, 22, 23, 24, 26, 27, 28, 29, 31, 32, 35, 36, 37, 38, 39, 40, 43, 44, 45, 46, 47, 48, 49, 52, 53, 54, 55, 56, 57, 60, 61, 62, 63, 64, 66, 69, 70, 71, 72, 73, 74, 77, 78, 79, 80, 81, 82, 83, 86, 87, 88, 89, 90, 91, 94, 95, 96, 97, 98]

cp's OEIS Frontend

A091679 In base 4, numbers n not of the form k + reverse(k) for any k.

Table of values

List of values

n	a(n)
0	1
1	3
2	7
3	8
4	9
5	11
6	12
7	13
8	14
9	16
10	18
11	19
12	21
13	22
14	23
15	24
16	26
17	27
18	28
19	29
20	31
21	32
22	35
23	36
24	37
25	38
26	39
27	40
28	43
29	44
30	45
31	46
32	47
33	48
34	49
35	52
36	53
37	54
38	55
39	56
40	57
41	60
42	61
43	62
44	63
45	64
46	66
47	69
48	70
49	71
50	72
51	73
52	74
53	77
54	78
55	79
56	80
57	81
58	82
59	83
60	86
61	87
62	88
63	89
64	90
65	91
66	94
67	95
68	96
69	97
70	98

n	a(n)
0	1
1	3
2	7
3	8
4	9
5	11
6	12
7	13
8	14
9	16
10	18
11	19
12	21
13	22
14	23
15	24
16	26
17	27
18	28
19	29
20	31
21	32
22	35
23	36
24	37
25	38
26	39
27	40
28	43
29	44
30	45
31	46
32	47
33	48
34	49
35	52
36	53
37	54
38	55
39	56
40	57
41	60
42	61
43	62
44	63
45	64
46	66
47	69
48	70
49	71
50	72
51	73
52	74
53	77
54	78
55	79
56	80
57	81
58	82
59	83
60	86
61	87
62	88
63	89
64	90
65	91
66	94
67	95
68	96
69	97
70	98

n	a(n)
0	1
1	3
2	7
3	8
4	9
5	11
6	12
7	13
8	14
9	16
10	18
11	19
12	21
13	22
14	23
15	24
16	26
17	27
18	28
19	29
20	31
21	32
22	35
23	36
24	37
25	38
26	39
27	40
28	43
29	44
30	45
31	46
32	47
33	48
34	49
35	52
36	53
37	54
38	55
39	56
40	57
41	60
42	61
43	62
44	63
45	64
46	66
47	69
48	70
49	71
50	72
51	73
52	74
53	77
54	78
55	79
56	80
57	81
58	82
59	83
60	86
61	87
62	88
63	89
64	90
65	91
66	94
67	95
68	96
69	97
70	98