A257734 - cp's OEIS frontend

A257734 Permutation of natural numbers: a(1) = 1, a(lucky(n)) = ludic(1+a(n-1)), a(unlucky(n)) = nonludic(a(n)), where lucky(n) = n-th lucky number A000959, unlucky(n) = n-th unlucky number A050505, and ludic = A003309, nonludic = A192607.

n	a(n)
1	1
2	4
3	2
4	9
5	6
6	16
7	7
8	12
9	3
10	26
11	14
12	20
13	25
14	8
15	13
16	38
17	22
18	31
19	36
20	15
21	61
22	21
23	54
24	33
25	17
26	45
27	51
28	24
29	81
30	32
31	41
32	73
33	5
34	48
35	27
36	62
37	119
38	69
39	35
40	105
41	46
42	57
43	47
44	96
45	10
46	65
47	39
48	82
49	83
50	151
51	115
52	92
53	50
54	135
55	63
56	76
57	64
58	124
59	18
60	86
61	55
62	106
63	23
64	108
65	189
66	146
67	43
68	118
69	193
70	68
71	169
72	84
73	91
74	100
75	149
76	85
77	156
78	28
79	179
80	111
81	74
82	136
83	34

[1, 4, 2, 9, 6, 16, 7, 12, 3, 26, 14, 20, 25, 8, 13, 38, 22, 31, 36, 15, 61, 21, 54, 33, 17, 45, 51, 24, 81, 32, 41, 73, 5, 48, 27, 62, 119, 69, 35, 105, 46, 57, 47, 96, 10, 65, 39, 82, 83, 151, 115, 92, 50, 135, 63, 76, 64, 124, 18, 86, 55, 106, 23, 108, 189, 146, 43, 118, 193, 68, 169, 84, 91, 100, 149, 85, 156, 28, 179, 111, 74, 136, 34]

cp's OEIS Frontend

A257734 Permutation of natural numbers: a(1) = 1, a(lucky(n)) = ludic(1+a(n-1)), a(unlucky(n)) = nonludic(a(n)), where lucky(n) = n-th lucky number A000959, unlucky(n) = n-th unlucky number A050505, and ludic = A003309, nonludic = A192607.

Table of values

List of values

n	a(n)
1	1
2	4
3	2
4	9
5	6
6	16
7	7
8	12
9	3
10	26
11	14
12	20
13	25
14	8
15	13
16	38
17	22
18	31
19	36
20	15
21	61
22	21
23	54
24	33
25	17
26	45
27	51
28	24
29	81
30	32
31	41
32	73
33	5
34	48
35	27
36	62
37	119
38	69
39	35
40	105
41	46
42	57
43	47
44	96
45	10
46	65
47	39
48	82
49	83
50	151
51	115
52	92
53	50
54	135
55	63
56	76
57	64
58	124
59	18
60	86
61	55
62	106
63	23
64	108
65	189
66	146
67	43
68	118
69	193
70	68
71	169
72	84
73	91
74	100
75	149
76	85
77	156
78	28
79	179
80	111
81	74
82	136
83	34

n	a(n)
1	1
2	4
3	2
4	9
5	6
6	16
7	7
8	12
9	3
10	26
11	14
12	20
13	25
14	8
15	13
16	38
17	22
18	31
19	36
20	15
21	61
22	21
23	54
24	33
25	17
26	45
27	51
28	24
29	81
30	32
31	41
32	73
33	5
34	48
35	27
36	62
37	119
38	69
39	35
40	105
41	46
42	57
43	47
44	96
45	10
46	65
47	39
48	82
49	83
50	151
51	115
52	92
53	50
54	135
55	63
56	76
57	64
58	124
59	18
60	86
61	55
62	106
63	23
64	108
65	189
66	146
67	43
68	118
69	193
70	68
71	169
72	84
73	91
74	100
75	149
76	85
77	156
78	28
79	179
80	111
81	74
82	136
83	34

n	a(n)
1	1
2	4
3	2
4	9
5	6
6	16
7	7
8	12
9	3
10	26
11	14
12	20
13	25
14	8
15	13
16	38
17	22
18	31
19	36
20	15
21	61
22	21
23	54
24	33
25	17
26	45
27	51
28	24
29	81
30	32
31	41
32	73
33	5
34	48
35	27
36	62
37	119
38	69
39	35
40	105
41	46
42	57
43	47
44	96
45	10
46	65
47	39
48	82
49	83
50	151
51	115
52	92
53	50
54	135
55	63
56	76
57	64
58	124
59	18
60	86
61	55
62	106
63	23
64	108
65	189
66	146
67	43
68	118
69	193
70	68
71	169
72	84
73	91
74	100
75	149
76	85
77	156
78	28
79	179
80	111
81	74
82	136
83	34