A273663 - cp's OEIS frontend

A273663 Least monotonic left inverse for A273670: a(1) = 0; for n > 1, a(n) = A257680(A225901(n)) + a(n-1).

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

[0, 0, 1, 2, 3, 3, 4, 4, 5, 6, 7, 7, 8, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 17, 18, 18, 19, 20, 21, 21, 22, 22, 23, 24, 25, 25, 26, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 35, 36, 36, 37, 38, 39, 39, 40, 40, 41, 42, 43, 43, 44, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 53, 54, 54, 55, 56, 57, 57, 58, 58, 59, 60, 61, 61]

cp's OEIS Frontend

A273663 Least monotonic left inverse for A273670: a(1) = 0; for n > 1, a(n) = A257680(A225901(n)) + a(n-1).

Table of values

List of values

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

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

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