A035930 - cp's OEIS frontend

A035930 Maximal product of any two numbers whose concatenation is n.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	1
12	2
13	3
14	4
15	5
16	6
17	7
18	8
19	9
20	0
21	2
22	4
23	6
24	8
25	10
26	12
27	14
28	16
29	18
30	0
31	3
32	6
33	9
34	12
35	15
36	18
37	21
38	24
39	27
40	0
41	4
42	8
43	12
44	16
45	20
46	24
47	28
48	32
49	36
50	0
51	5
52	10
53	15
54	20
55	25
56	30
57	35
58	40
59	45
60	0
61	6
62	12
63	18
64	24
65	30
66	36
67	42
68	48
69	54
70	0
71	7
72	14
73	21
74	28
75	35
76	42
77	49
78	56
79	63
80	0
81	8
82	16
83	24
84	32
85	40
86	48
87	56
88	64
89	72
90	0
91	9
92	18
93	27
94	36
95	45
96	54
97	63
98	72
99	81
100	0
101	10
102	20
103	30
104	40
105	50
106	60
107	70

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 0, 6, 12, 18, 24, 30, 36, 42, 48, 54, 0, 7, 14, 21, 28, 35, 42, 49, 56, 63, 0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 0, 9, 18, 27, 36, 45, 54, 63, 72, 81, 0, 10, 20, 30, 40, 50, 60, 70]

cp's OEIS Frontend

A035930 Maximal product of any two numbers whose concatenation is n.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	1
12	2
13	3
14	4
15	5
16	6
17	7
18	8
19	9
20	0
21	2
22	4
23	6
24	8
25	10
26	12
27	14
28	16
29	18
30	0
31	3
32	6
33	9
34	12
35	15
36	18
37	21
38	24
39	27
40	0
41	4
42	8
43	12
44	16
45	20
46	24
47	28
48	32
49	36
50	0
51	5
52	10
53	15
54	20
55	25
56	30
57	35
58	40
59	45
60	0
61	6
62	12
63	18
64	24
65	30
66	36
67	42
68	48
69	54
70	0
71	7
72	14
73	21
74	28
75	35
76	42
77	49
78	56
79	63
80	0
81	8
82	16
83	24
84	32
85	40
86	48
87	56
88	64
89	72
90	0
91	9
92	18
93	27
94	36
95	45
96	54
97	63
98	72
99	81
100	0
101	10
102	20
103	30
104	40
105	50
106	60
107	70

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	1
12	2
13	3
14	4
15	5
16	6
17	7
18	8
19	9
20	0
21	2
22	4
23	6
24	8
25	10
26	12
27	14
28	16
29	18
30	0
31	3
32	6
33	9
34	12
35	15
36	18
37	21
38	24
39	27
40	0
41	4
42	8
43	12
44	16
45	20
46	24
47	28
48	32
49	36
50	0
51	5
52	10
53	15
54	20
55	25
56	30
57	35
58	40
59	45
60	0
61	6
62	12
63	18
64	24
65	30
66	36
67	42
68	48
69	54
70	0
71	7
72	14
73	21
74	28
75	35
76	42
77	49
78	56
79	63
80	0
81	8
82	16
83	24
84	32
85	40
86	48
87	56
88	64
89	72
90	0
91	9
92	18
93	27
94	36
95	45
96	54
97	63
98	72
99	81
100	0
101	10
102	20
103	30
104	40
105	50
106	60
107	70

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	1
12	2
13	3
14	4
15	5
16	6
17	7
18	8
19	9
20	0
21	2
22	4
23	6
24	8
25	10
26	12
27	14
28	16
29	18
30	0
31	3
32	6
33	9
34	12
35	15
36	18
37	21
38	24
39	27
40	0
41	4
42	8
43	12
44	16
45	20
46	24
47	28
48	32
49	36
50	0
51	5
52	10
53	15
54	20
55	25
56	30
57	35
58	40
59	45
60	0
61	6
62	12
63	18
64	24
65	30
66	36
67	42
68	48
69	54
70	0
71	7
72	14
73	21
74	28
75	35
76	42
77	49
78	56
79	63
80	0
81	8
82	16
83	24
84	32
85	40
86	48
87	56
88	64
89	72
90	0
91	9
92	18
93	27
94	36
95	45
96	54
97	63
98	72
99	81
100	0
101	10
102	20
103	30
104	40
105	50
106	60
107	70