A126641 - cp's OEIS frontend

A126641 a(n) is the number of integers k less than 10^n such that the decimal representation of k lacks the digit 1, at least one of digits 2,3, at least one of digits 4,5, at least one of digits 6,7 and at least one of digits 8,9.

n	a(n)
1	9
2	73
3	537
4	3625
5	22809
6	135913
7	777177
8	4308265
9	23329689
10	124104553
11	651267417
12	3382100905
13	17421964569
14	89180975593
15	454265623257
16	2304999893545
17	11660373751449
18	58845428989033
19	296407578308697
20	1490778208598185
21	7488908074594329
22	37584775814704873

[9, 73, 537, 3625, 22809, 135913, 777177, 4308265, 23329689, 124104553, 651267417, 3382100905, 17421964569, 89180975593, 454265623257, 2304999893545, 11660373751449, 58845428989033, 296407578308697, 1490778208598185, 7488908074594329, 37584775814704873]

cp's OEIS Frontend

A126641 a(n) is the number of integers k less than 10^n such that the decimal representation of k lacks the digit 1, at least one of digits 2,3, at least one of digits 4,5, at least one of digits 6,7 and at least one of digits 8,9.

Table of values

List of values