A220604 - cp's OEIS frontend

A220604 Second inverse function (numbers of columns) for pairing function A081344.

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

[1, 1, 2, 2, 3, 3, 3, 2, 1, 1, 2, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 4, 3, 2, 1, 1, 2, 3, 4, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 6, 5, 4, 3, 2, 1, 1, 2, 3, 4, 5, 6, 7, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 6, 5, 4, 3, 2, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10]

cp's OEIS Frontend

A220604 Second inverse function (numbers of columns) for pairing function A081344.

Table of values

List of values

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

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

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