A027424 - cp's OEIS frontend

A027424 Number of distinct products ij with 1 <= i, j <= n (number of distinct terms in n X n multiplication table).

n	a(n)
1	1
2	3
3	6
4	9
5	14
6	18
7	25
8	30
9	36
10	42
11	53
12	59
13	72
14	80
15	89
16	97
17	114
18	123
19	142
20	152
21	164
22	176
23	199
24	209
25	225
26	239
27	254
28	267
29	296
30	308
31	339
32	354
33	372
34	390
35	410
36	423
37	460
38	480
39	501
40	517
41	558
42	575
43	618
44	638
45	659
46	683
47	730
48	747
49	778
50	800
51	827
52	850
53	903

[1, 3, 6, 9, 14, 18, 25, 30, 36, 42, 53, 59, 72, 80, 89, 97, 114, 123, 142, 152, 164, 176, 199, 209, 225, 239, 254, 267, 296, 308, 339, 354, 372, 390, 410, 423, 460, 480, 501, 517, 558, 575, 618, 638, 659, 683, 730, 747, 778, 800, 827, 850, 903]

cp's OEIS Frontend

A027424 Number of distinct products ij with 1 <= i, j <= n (number of distinct terms in n X n multiplication table).

Table of values

List of values

n	a(n)
1	1
2	3
3	6
4	9
5	14
6	18
7	25
8	30
9	36
10	42
11	53
12	59
13	72
14	80
15	89
16	97
17	114
18	123
19	142
20	152
21	164
22	176
23	199
24	209
25	225
26	239
27	254
28	267
29	296
30	308
31	339
32	354
33	372
34	390
35	410
36	423
37	460
38	480
39	501
40	517
41	558
42	575
43	618
44	638
45	659
46	683
47	730
48	747
49	778
50	800
51	827
52	850
53	903

n	a(n)
1	1
2	3
3	6
4	9
5	14
6	18
7	25
8	30
9	36
10	42
11	53
12	59
13	72
14	80
15	89
16	97
17	114
18	123
19	142
20	152
21	164
22	176
23	199
24	209
25	225
26	239
27	254
28	267
29	296
30	308
31	339
32	354
33	372
34	390
35	410
36	423
37	460
38	480
39	501
40	517
41	558
42	575
43	618
44	638
45	659
46	683
47	730
48	747
49	778
50	800
51	827
52	850
53	903

n	a(n)
1	1
2	3
3	6
4	9
5	14
6	18
7	25
8	30
9	36
10	42
11	53
12	59
13	72
14	80
15	89
16	97
17	114
18	123
19	142
20	152
21	164
22	176
23	199
24	209
25	225
26	239
27	254
28	267
29	296
30	308
31	339
32	354
33	372
34	390
35	410
36	423
37	460
38	480
39	501
40	517
41	558
42	575
43	618
44	638
45	659
46	683
47	730
48	747
49	778
50	800
51	827
52	850
53	903