A032531 - cp's OEIS frontend

A032531 An inventory sequence: triangle read by rows, where T(n, k), 0 <= k <= n, records the number of k's thus far in the flattened sequence.

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

[0, 1, 1, 1, 3, 0, 2, 3, 1, 2, 2, 4, 3, 3, 1, 2, 5, 4, 4, 3, 1, 2, 6, 5, 5, 3, 3, 1, 2, 7, 6, 7, 3, 3, 2, 2, 2, 7, 9, 9, 3, 3, 2, 3, 0, 3, 7, 10, 13, 3, 3, 2, 4, 0, 2, 4, 7, 12, 15, 5, 4, 2, 5, 0, 2, 1, 5, 8, 14, 15, 6, 6, 4, 5, 1, 2, 1, 0, 6, 10, 15, 15, 7, 7, 5, 7, 1, 2, 2, 0, 1, 7, 12, 17]

cp's OEIS Frontend

A032531 An inventory sequence: triangle read by rows, where T(n, k), 0 <= k <= n, records the number of k's thus far in the flattened sequence.

Table of values

List of values

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

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

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