A005520 - cp's OEIS frontend

A005520 Smallest number of complexity n: smallest number requiring n 1's to build using + and *.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	10
8	11
9	17
10	22
11	23
12	41
13	47
14	59
15	89
16	107
17	167
18	179
19	263
20	347
21	467
22	683
23	719
24	1223
25	1438
26	1439
27	2879
28	3767
29	4283
30	6299
31	10079
32	11807
33	15287
34	21599
35	33599
36	45197
37	56039
38	81647
39	98999
40	163259
41	203999
42	241883
43	371447
44	540539
45	590399
46	907199

[1, 2, 3, 4, 5, 7, 10, 11, 17, 22, 23, 41, 47, 59, 89, 107, 167, 179, 263, 347, 467, 683, 719, 1223, 1438, 1439, 2879, 3767, 4283, 6299, 10079, 11807, 15287, 21599, 33599, 45197, 56039, 81647, 98999, 163259, 203999, 241883, 371447, 540539, 590399, 907199]

cp's OEIS Frontend

A005520 Smallest number of complexity n: smallest number requiring n 1's to build using + and *.

Table of values

List of values