A065652 - cp's OEIS frontend

A065652 a(0) = 0 and a(n+1) = if a(n) - 1 is new and > 0 then a(n) - 1 else a(n)*a(n) + 1 for n >= 0.

n	a(n)
0	0
1	1
2	2
3	5
4	4
5	3
6	10
7	9
8	8
9	7
10	6
11	37
12	36
13	35
14	34
15	33
16	32
17	31
18	30
19	29
20	28
21	27
22	26
23	25
24	24
25	23
26	22
27	21
28	20
29	19
30	18
31	17
32	16
33	15
34	14
35	13
36	12
37	11
38	122
39	121
40	120
41	119
42	118
43	117
44	116
45	115
46	114
47	113
48	112
49	111
50	110
51	109
52	108
53	107
54	106
55	105
56	104
57	103
58	102
59	101
60	100
61	99
62	98
63	97

[0, 1, 2, 5, 4, 3, 10, 9, 8, 7, 6, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 122, 121, 120, 119, 118, 117, 116, 115, 114, 113, 112, 111, 110, 109, 108, 107, 106, 105, 104, 103, 102, 101, 100, 99, 98, 97]

cp's OEIS Frontend

A065652 a(0) = 0 and a(n+1) = if a(n) - 1 is new and > 0 then a(n) - 1 else a(n)*a(n) + 1 for n >= 0.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	5
4	4
5	3
6	10
7	9
8	8
9	7
10	6
11	37
12	36
13	35
14	34
15	33
16	32
17	31
18	30
19	29
20	28
21	27
22	26
23	25
24	24
25	23
26	22
27	21
28	20
29	19
30	18
31	17
32	16
33	15
34	14
35	13
36	12
37	11
38	122
39	121
40	120
41	119
42	118
43	117
44	116
45	115
46	114
47	113
48	112
49	111
50	110
51	109
52	108
53	107
54	106
55	105
56	104
57	103
58	102
59	101
60	100
61	99
62	98
63	97

n	a(n)
0	0
1	1
2	2
3	5
4	4
5	3
6	10
7	9
8	8
9	7
10	6
11	37
12	36
13	35
14	34
15	33
16	32
17	31
18	30
19	29
20	28
21	27
22	26
23	25
24	24
25	23
26	22
27	21
28	20
29	19
30	18
31	17
32	16
33	15
34	14
35	13
36	12
37	11
38	122
39	121
40	120
41	119
42	118
43	117
44	116
45	115
46	114
47	113
48	112
49	111
50	110
51	109
52	108
53	107
54	106
55	105
56	104
57	103
58	102
59	101
60	100
61	99
62	98
63	97

n	a(n)
0	0
1	1
2	2
3	5
4	4
5	3
6	10
7	9
8	8
9	7
10	6
11	37
12	36
13	35
14	34
15	33
16	32
17	31
18	30
19	29
20	28
21	27
22	26
23	25
24	24
25	23
26	22
27	21
28	20
29	19
30	18
31	17
32	16
33	15
34	14
35	13
36	12
37	11
38	122
39	121
40	120
41	119
42	118
43	117
44	116
45	115
46	114
47	113
48	112
49	111
50	110
51	109
52	108
53	107
54	106
55	105
56	104
57	103
58	102
59	101
60	100
61	99
62	98
63	97