A240808 - cp's OEIS frontend

A240808 a(0)=2, a(1)=1, a(2)=0; thereafter a(n) = a(n-1-a(n-1))+a(n-2-a(n-2)) unless a(n-1) <= n-1 or a(n-2) <= n-2 in which case the sequence terminates.

n	a(n)
0	2
1	1
2	0
3	2
4	1
5	3
6	2
7	1
8	3
9	5
10	4
11	3
12	5
13	4
14	6
15	8
16	4
17	6
18	8
19	7
20	9
21	8
22	7
23	12
24	11
25	7
26	12
27	14
28	10
29	12
30	14
31	10
32	12
33	17
34	13
35	12
36	20
37	16
38	12
39	20
40	19
41	15
42	20
43	19
44	18
45	23
46	19
47	21
48	26
49	19
50	21
51	26
52	19
53	24
54	29
55	19
56	27
57	32
58	19
59	27
60	32
61	22
62	30
63	32
64	22
65	30
66	32
67	25
68	33
69	32
70	28
71	36
72	32
73	31
74	39
75	32
76	31
77	42
78	35
79	31
80	45
81	38
82	31
83	45
84	38
85	31
86	48
87	41
88	31
89	51
90	44
91	31
92	51
93	47
94	34

[2, 1, 0, 2, 1, 3, 2, 1, 3, 5, 4, 3, 5, 4, 6, 8, 4, 6, 8, 7, 9, 8, 7, 12, 11, 7, 12, 14, 10, 12, 14, 10, 12, 17, 13, 12, 20, 16, 12, 20, 19, 15, 20, 19, 18, 23, 19, 21, 26, 19, 21, 26, 19, 24, 29, 19, 27, 32, 19, 27, 32, 22, 30, 32, 22, 30, 32, 25, 33, 32, 28, 36, 32, 31, 39, 32, 31, 42, 35, 31, 45, 38, 31, 45, 38, 31, 48, 41, 31, 51, 44, 31, 51, 47, 34]

cp's OEIS Frontend

A240808 a(0)=2, a(1)=1, a(2)=0; thereafter a(n) = a(n-1-a(n-1))+a(n-2-a(n-2)) unless a(n-1) <= n-1 or a(n-2) <= n-2 in which case the sequence terminates.

Table of values

List of values

n	a(n)
0	2
1	1
2	0
3	2
4	1
5	3
6	2
7	1
8	3
9	5
10	4
11	3
12	5
13	4
14	6
15	8
16	4
17	6
18	8
19	7
20	9
21	8
22	7
23	12
24	11
25	7
26	12
27	14
28	10
29	12
30	14
31	10
32	12
33	17
34	13
35	12
36	20
37	16
38	12
39	20
40	19
41	15
42	20
43	19
44	18
45	23
46	19
47	21
48	26
49	19
50	21
51	26
52	19
53	24
54	29
55	19
56	27
57	32
58	19
59	27
60	32
61	22
62	30
63	32
64	22
65	30
66	32
67	25
68	33
69	32
70	28
71	36
72	32
73	31
74	39
75	32
76	31
77	42
78	35
79	31
80	45
81	38
82	31
83	45
84	38
85	31
86	48
87	41
88	31
89	51
90	44
91	31
92	51
93	47
94	34

n	a(n)
0	2
1	1
2	0
3	2
4	1
5	3
6	2
7	1
8	3
9	5
10	4
11	3
12	5
13	4
14	6
15	8
16	4
17	6
18	8
19	7
20	9
21	8
22	7
23	12
24	11
25	7
26	12
27	14
28	10
29	12
30	14
31	10
32	12
33	17
34	13
35	12
36	20
37	16
38	12
39	20
40	19
41	15
42	20
43	19
44	18
45	23
46	19
47	21
48	26
49	19
50	21
51	26
52	19
53	24
54	29
55	19
56	27
57	32
58	19
59	27
60	32
61	22
62	30
63	32
64	22
65	30
66	32
67	25
68	33
69	32
70	28
71	36
72	32
73	31
74	39
75	32
76	31
77	42
78	35
79	31
80	45
81	38
82	31
83	45
84	38
85	31
86	48
87	41
88	31
89	51
90	44
91	31
92	51
93	47
94	34

n	a(n)
0	2
1	1
2	0
3	2
4	1
5	3
6	2
7	1
8	3
9	5
10	4
11	3
12	5
13	4
14	6
15	8
16	4
17	6
18	8
19	7
20	9
21	8
22	7
23	12
24	11
25	7
26	12
27	14
28	10
29	12
30	14
31	10
32	12
33	17
34	13
35	12
36	20
37	16
38	12
39	20
40	19
41	15
42	20
43	19
44	18
45	23
46	19
47	21
48	26
49	19
50	21
51	26
52	19
53	24
54	29
55	19
56	27
57	32
58	19
59	27
60	32
61	22
62	30
63	32
64	22
65	30
66	32
67	25
68	33
69	32
70	28
71	36
72	32
73	31
74	39
75	32
76	31
77	42
78	35
79	31
80	45
81	38
82	31
83	45
84	38
85	31
86	48
87	41
88	31
89	51
90	44
91	31
92	51
93	47
94	34