A361928 - cp's OEIS frontend

A361928 Triangle read by rows: T(n,d) = number of non-adaptive group tests required to identify exactly d defectives among n items.

n	a(n)
2	1
3	2
4	2
5	2
6	3
7	3
8	3
9	4
10	4
11	4
12	3
13	5
14	5
15	5
16	5
17	3
18	6
19	6
20	6
21	6
22	6
23	3
24	6
25	7
26	7
27	7
28	7
29	7
30	4
31	7
32	8
33	8
34	8
35	8
36	8
37	8
38	4
39	7
40	9
41	9
42	9
43	9
44	9
45	9
46	9
47	4
48	8
49	10
50	10
51	10
52	10
53	10
54	10
55	10
56	10
57	4
58	8
59	11
60	11
61	11
62	11
63	11
64	11
65	11
66	11
67	11
68	4
69	8
70	12
71	12
72	12
73	12
74	12
75	12
76	12
77	12
78	12
79	12
80	4
81	9
82	12
83	13
84	13
85	13
86	13
87	13
88	13
89	13
90	13
91	13
92	13
93	4
94	9
95	13
96	14
97	14
98	14
99	14
100	14
101	14
102	14
103	14
104	14
105	14
106	14
107	4
108	9

[1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 3, 5, 5, 5, 5, 3, 6, 6, 6, 6, 6, 3, 6, 7, 7, 7, 7, 7, 4, 7, 8, 8, 8, 8, 8, 8, 4, 7, 9, 9, 9, 9, 9, 9, 9, 4, 8, 10, 10, 10, 10, 10, 10, 10, 10, 4, 8, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 8, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 4, 9, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 4, 9, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 4, 9]

cp's OEIS Frontend

A361928 Triangle read by rows: T(n,d) = number of non-adaptive group tests required to identify exactly d defectives among n items.

Table of values

List of values

n	a(n)
2	1
3	2
4	2
5	2
6	3
7	3
8	3
9	4
10	4
11	4
12	3
13	5
14	5
15	5
16	5
17	3
18	6
19	6
20	6
21	6
22	6
23	3
24	6
25	7
26	7
27	7
28	7
29	7
30	4
31	7
32	8
33	8
34	8
35	8
36	8
37	8
38	4
39	7
40	9
41	9
42	9
43	9
44	9
45	9
46	9
47	4
48	8
49	10
50	10
51	10
52	10
53	10
54	10
55	10
56	10
57	4
58	8
59	11
60	11
61	11
62	11
63	11
64	11
65	11
66	11
67	11
68	4
69	8
70	12
71	12
72	12
73	12
74	12
75	12
76	12
77	12
78	12
79	12
80	4
81	9
82	12
83	13
84	13
85	13
86	13
87	13
88	13
89	13
90	13
91	13
92	13
93	4
94	9
95	13
96	14
97	14
98	14
99	14
100	14
101	14
102	14
103	14
104	14
105	14
106	14
107	4
108	9

n	a(n)
2	1
3	2
4	2
5	2
6	3
7	3
8	3
9	4
10	4
11	4
12	3
13	5
14	5
15	5
16	5
17	3
18	6
19	6
20	6
21	6
22	6
23	3
24	6
25	7
26	7
27	7
28	7
29	7
30	4
31	7
32	8
33	8
34	8
35	8
36	8
37	8
38	4
39	7
40	9
41	9
42	9
43	9
44	9
45	9
46	9
47	4
48	8
49	10
50	10
51	10
52	10
53	10
54	10
55	10
56	10
57	4
58	8
59	11
60	11
61	11
62	11
63	11
64	11
65	11
66	11
67	11
68	4
69	8
70	12
71	12
72	12
73	12
74	12
75	12
76	12
77	12
78	12
79	12
80	4
81	9
82	12
83	13
84	13
85	13
86	13
87	13
88	13
89	13
90	13
91	13
92	13
93	4
94	9
95	13
96	14
97	14
98	14
99	14
100	14
101	14
102	14
103	14
104	14
105	14
106	14
107	4
108	9

n	a(n)
2	1
3	2
4	2
5	2
6	3
7	3
8	3
9	4
10	4
11	4
12	3
13	5
14	5
15	5
16	5
17	3
18	6
19	6
20	6
21	6
22	6
23	3
24	6
25	7
26	7
27	7
28	7
29	7
30	4
31	7
32	8
33	8
34	8
35	8
36	8
37	8
38	4
39	7
40	9
41	9
42	9
43	9
44	9
45	9
46	9
47	4
48	8
49	10
50	10
51	10
52	10
53	10
54	10
55	10
56	10
57	4
58	8
59	11
60	11
61	11
62	11
63	11
64	11
65	11
66	11
67	11
68	4
69	8
70	12
71	12
72	12
73	12
74	12
75	12
76	12
77	12
78	12
79	12
80	4
81	9
82	12
83	13
84	13
85	13
86	13
87	13
88	13
89	13
90	13
91	13
92	13
93	4
94	9
95	13
96	14
97	14
98	14
99	14
100	14
101	14
102	14
103	14
104	14
105	14
106	14
107	4
108	9