A338012 - cp's OEIS frontend

A338012 a(1)=0; thereafter, a(n) is the smallest number such that the addition and multiplication tables for (a(1),...,a(n)) together contain n^2 different entries (the maximum possible).

n	a(n)
1	0
2	3
3	4
4	10
5	18
6	23
7	34
8	55
9	67
10	93
11	95
12	120
13	149
14	166
15	228
16	271
17	351
18	398
19	439
20	505
21	563
22	611
23	732
24	771
25	806
26	924
27	1052
28	1121
29	1278
30	1412
31	1586
32	1654
33	1875
34	2012
35	2245
36	2341
37	2445
38	2616
39	2819
40	2920
41	3034
42	3322
43	3518
44	3754
45	3918
46	4016
47	4311
48	4649
49	4848
50	5321

[0, 3, 4, 10, 18, 23, 34, 55, 67, 93, 95, 120, 149, 166, 228, 271, 351, 398, 439, 505, 563, 611, 732, 771, 806, 924, 1052, 1121, 1278, 1412, 1586, 1654, 1875, 2012, 2245, 2341, 2445, 2616, 2819, 2920, 3034, 3322, 3518, 3754, 3918, 4016, 4311, 4649, 4848, 5321]

cp's OEIS Frontend

A338012 a(1)=0; thereafter, a(n) is the smallest number such that the addition and multiplication tables for (a(1),...,a(n)) together contain n^2 different entries (the maximum possible).

Table of values

List of values