A108407 - cp's OEIS frontend

A108407 Number of added unique known entries when going from the n X n to the (n+1) X (n+1) multiplication table.

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

[0, 0, 1, 0, 2, 0, 3, 3, 4, 0, 6, 0, 6, 6, 8, 0, 9, 0, 10, 9, 10, 0, 14, 9, 12, 12, 15, 0, 18, 0, 17, 15, 16, 15, 23, 0, 18, 18, 24, 0, 25, 0, 24, 24, 22, 0, 31, 18, 28, 24, 29, 0, 32, 24, 34, 27, 28, 0, 41, 0, 30, 35, 38, 29, 40, 0, 38, 33, 44, 0, 49, 0, 36, 41, 43, 32, 47, 0, 52]

cp's OEIS Frontend

A108407 Number of added unique known entries when going from the n X n to the (n+1) X (n+1) multiplication table.

Table of values

List of values

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

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

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