A356549 - cp's OEIS frontend

A356549 a(n) is the number of divisors of 10^n whose first digit is 1.

n	a(n)
0	1
1	2
2	3
3	5
4	8
5	11
6	15
7	20
8	25
9	31
10	38
11	45
12	52
13	60
14	69
15	78
16	88
17	99
18	110
19	122
20	135
21	148
22	161
23	175
24	190
25	205
26	221
27	238
28	255
29	273
30	292
31	311
32	330
33	350
34	371
35	392
36	414
37	437
38	460
39	484
40	509
41	534
42	559
43	585
44	612
45	639
46	667
47	696
48	725
49	755
50	786
51	817
52	848
53	880
54	913
55	946
56	980
57	1015
58	1050
59	1086

[1, 2, 3, 5, 8, 11, 15, 20, 25, 31, 38, 45, 52, 60, 69, 78, 88, 99, 110, 122, 135, 148, 161, 175, 190, 205, 221, 238, 255, 273, 292, 311, 330, 350, 371, 392, 414, 437, 460, 484, 509, 534, 559, 585, 612, 639, 667, 696, 725, 755, 786, 817, 848, 880, 913, 946, 980, 1015, 1050, 1086]

cp's OEIS Frontend

A356549 a(n) is the number of divisors of 10^n whose first digit is 1.

Table of values

List of values