A262678 - cp's OEIS frontend

A262678 a(n) = n - A262690(n), where A262690(n) = largest square k <= n such that A002828(n-k) = A002828(n)-1.

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

[0, 0, 1, 2, 0, 1, 2, 3, 4, 0, 1, 2, 8, 4, 5, 6, 0, 1, 9, 10, 4, 5, 13, 14, 8, 0, 1, 2, 3, 4, 5, 6, 16, 8, 9, 10, 0, 1, 2, 3, 4, 16, 17, 18, 8, 9, 10, 11, 32, 0, 1, 2, 16, 4, 5, 6, 20, 8, 9, 10, 11, 25, 13, 14, 0, 1, 2, 18, 4, 5, 34, 22, 36, 9, 25, 26, 40, 13, 29, 30, 16, 0, 1, 2, 20, 4, 5, 6, 52, 25, 9, 10, 11, 29, 13, 14, 32, 16, 49, 18, 0]

cp's OEIS Frontend

A262678 a(n) = n - A262690(n), where A262690(n) = largest square k <= n such that A002828(n-k) = A002828(n)-1.

Table of values

List of values

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

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

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