A089990 - cp's OEIS frontend

A089990 a(n) = n step nested walk based on (A004001[n]+ (-1)^lastsum).

n	a(n)
1	1
2	0
3	2
4	2
5	0
6	3
7	1
8	1
9	0
10	3
11	1
12	1
13	1
14	0
15	4
16	4
17	4
18	4
19	4
20	0
21	5
22	3
23	3
24	3
25	3
26	3
27	0
28	5
29	3
30	3
31	3
32	3
33	3
34	3
35	0
36	5
37	3
38	3
39	3
40	3
41	3
42	3
43	3
44	0
45	6
46	6
47	6
48	6
49	6
50	6
51	6
52	6
53	6
54	0
55	7
56	5
57	5
58	5
59	5
60	5
61	5
62	5
63	5
64	5
65	0
66	8
67	8
68	8
69	8
70	8
71	8
72	8
73	8
74	8
75	8
76	8
77	0
78	8
79	8
80	8
81	8
82	8
83	8
84	8
85	8
86	8
87	8
88	8
89	8
90	0
91	9
92	7
93	7
94	7
95	7
96	7
97	7
98	7
99	7
100	7
101	7
102	7
103	7
104	0
105	9

[1, 0, 2, 2, 0, 3, 1, 1, 0, 3, 1, 1, 1, 0, 4, 4, 4, 4, 4, 0, 5, 3, 3, 3, 3, 3, 0, 5, 3, 3, 3, 3, 3, 3, 0, 5, 3, 3, 3, 3, 3, 3, 3, 0, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 0, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 0, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 0, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 0, 9]

cp's OEIS Frontend

A089990 a(n) = n step nested walk based on (A004001[n]+ (-1)^lastsum).

Table of values

List of values

n	a(n)
1	1
2	0
3	2
4	2
5	0
6	3
7	1
8	1
9	0
10	3
11	1
12	1
13	1
14	0
15	4
16	4
17	4
18	4
19	4
20	0
21	5
22	3
23	3
24	3
25	3
26	3
27	0
28	5
29	3
30	3
31	3
32	3
33	3
34	3
35	0
36	5
37	3
38	3
39	3
40	3
41	3
42	3
43	3
44	0
45	6
46	6
47	6
48	6
49	6
50	6
51	6
52	6
53	6
54	0
55	7
56	5
57	5
58	5
59	5
60	5
61	5
62	5
63	5
64	5
65	0
66	8
67	8
68	8
69	8
70	8
71	8
72	8
73	8
74	8
75	8
76	8
77	0
78	8
79	8
80	8
81	8
82	8
83	8
84	8
85	8
86	8
87	8
88	8
89	8
90	0
91	9
92	7
93	7
94	7
95	7
96	7
97	7
98	7
99	7
100	7
101	7
102	7
103	7
104	0
105	9

n	a(n)
1	1
2	0
3	2
4	2
5	0
6	3
7	1
8	1
9	0
10	3
11	1
12	1
13	1
14	0
15	4
16	4
17	4
18	4
19	4
20	0
21	5
22	3
23	3
24	3
25	3
26	3
27	0
28	5
29	3
30	3
31	3
32	3
33	3
34	3
35	0
36	5
37	3
38	3
39	3
40	3
41	3
42	3
43	3
44	0
45	6
46	6
47	6
48	6
49	6
50	6
51	6
52	6
53	6
54	0
55	7
56	5
57	5
58	5
59	5
60	5
61	5
62	5
63	5
64	5
65	0
66	8
67	8
68	8
69	8
70	8
71	8
72	8
73	8
74	8
75	8
76	8
77	0
78	8
79	8
80	8
81	8
82	8
83	8
84	8
85	8
86	8
87	8
88	8
89	8
90	0
91	9
92	7
93	7
94	7
95	7
96	7
97	7
98	7
99	7
100	7
101	7
102	7
103	7
104	0
105	9

n	a(n)
1	1
2	0
3	2
4	2
5	0
6	3
7	1
8	1
9	0
10	3
11	1
12	1
13	1
14	0
15	4
16	4
17	4
18	4
19	4
20	0
21	5
22	3
23	3
24	3
25	3
26	3
27	0
28	5
29	3
30	3
31	3
32	3
33	3
34	3
35	0
36	5
37	3
38	3
39	3
40	3
41	3
42	3
43	3
44	0
45	6
46	6
47	6
48	6
49	6
50	6
51	6
52	6
53	6
54	0
55	7
56	5
57	5
58	5
59	5
60	5
61	5
62	5
63	5
64	5
65	0
66	8
67	8
68	8
69	8
70	8
71	8
72	8
73	8
74	8
75	8
76	8
77	0
78	8
79	8
80	8
81	8
82	8
83	8
84	8
85	8
86	8
87	8
88	8
89	8
90	0
91	9
92	7
93	7
94	7
95	7
96	7
97	7
98	7
99	7
100	7
101	7
102	7
103	7
104	0
105	9