A237427 - cp's OEIS frontend

A237427 a(0)=0, a(1)=1; thereafter, if n is k-th ludic number [i.e., n = A003309(k)], a(n) = 1 + (2a(k-1)); otherwise, when n is k-th nonludic number [i.e., n = A192607(k)], a(n) = 2a(k).

n	a(n)
0	0
1	1
2	3
3	7
4	2
5	15
6	6
7	5
8	14
9	4
10	30
11	31
12	12
13	13
14	10
15	28
16	8
17	11
18	60
19	62
20	24
21	26
22	20
23	29
24	56
25	9
26	16
27	22
28	120
29	61
30	124
31	48
32	52
33	40
34	58
35	112
36	18
37	63
38	32
39	44
40	240
41	25
42	122
43	27
44	248
45	96
46	104
47	21
48	80
49	116
50	224
51	36
52	126
53	57
54	64
55	88
56	480
57	50
58	244
59	54
60	496
61	17
62	192
63	208
64	42

[0, 1, 3, 7, 2, 15, 6, 5, 14, 4, 30, 31, 12, 13, 10, 28, 8, 11, 60, 62, 24, 26, 20, 29, 56, 9, 16, 22, 120, 61, 124, 48, 52, 40, 58, 112, 18, 63, 32, 44, 240, 25, 122, 27, 248, 96, 104, 21, 80, 116, 224, 36, 126, 57, 64, 88, 480, 50, 244, 54, 496, 17, 192, 208, 42]

cp's OEIS Frontend

A237427 a(0)=0, a(1)=1; thereafter, if n is k-th ludic number [i.e., n = A003309(k)], a(n) = 1 + (2a(k-1)); otherwise, when n is k-th nonludic number [i.e., n = A192607(k)], a(n) = 2a(k).

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	7
4	2
5	15
6	6
7	5
8	14
9	4
10	30
11	31
12	12
13	13
14	10
15	28
16	8
17	11
18	60
19	62
20	24
21	26
22	20
23	29
24	56
25	9
26	16
27	22
28	120
29	61
30	124
31	48
32	52
33	40
34	58
35	112
36	18
37	63
38	32
39	44
40	240
41	25
42	122
43	27
44	248
45	96
46	104
47	21
48	80
49	116
50	224
51	36
52	126
53	57
54	64
55	88
56	480
57	50
58	244
59	54
60	496
61	17
62	192
63	208
64	42

n	a(n)
0	0
1	1
2	3
3	7
4	2
5	15
6	6
7	5
8	14
9	4
10	30
11	31
12	12
13	13
14	10
15	28
16	8
17	11
18	60
19	62
20	24
21	26
22	20
23	29
24	56
25	9
26	16
27	22
28	120
29	61
30	124
31	48
32	52
33	40
34	58
35	112
36	18
37	63
38	32
39	44
40	240
41	25
42	122
43	27
44	248
45	96
46	104
47	21
48	80
49	116
50	224
51	36
52	126
53	57
54	64
55	88
56	480
57	50
58	244
59	54
60	496
61	17
62	192
63	208
64	42

cp's OEIS Frontend

A237427 a(0)=0, a(1)=1; thereafter, if n is k-th ludic number [i.e., n = A003309(k)], a(n) = 1 + (2*a(k-1)); otherwise, when n is k-th nonludic number [i.e., n = A192607(k)], a(n) = 2*a(k).

Table of values

List of values

A237427 a(0)=0, a(1)=1; thereafter, if n is k-th ludic number [i.e., n = A003309(k)], a(n) = 1 + (2a(k-1)); otherwise, when n is k-th nonludic number [i.e., n = A192607(k)], a(n) = 2a(k).

n	a(n)
0	0
1	1
2	3
3	7
4	2
5	15
6	6
7	5
8	14
9	4
10	30
11	31
12	12
13	13
14	10
15	28
16	8
17	11
18	60
19	62
20	24
21	26
22	20
23	29
24	56
25	9
26	16
27	22
28	120
29	61
30	124
31	48
32	52
33	40
34	58
35	112
36	18
37	63
38	32
39	44
40	240
41	25
42	122
43	27
44	248
45	96
46	104
47	21
48	80
49	116
50	224
51	36
52	126
53	57
54	64
55	88
56	480
57	50
58	244
59	54
60	496
61	17
62	192
63	208
64	42