A125909 - cp's OEIS frontend

A125909 a(n) is the number of nonnegative integers k less than 10^n such that the decimal representation of k lacks the digit 1, at least one of the digits 2,3 and at least one of digits 4,5,6,7,8,9.

n	a(n)
1	9
2	79
3	681
4	5791
5	48729
6	405919
7	3340521
8	27094111
9	216288249
10	1699187359
11	13147825161
12	100334472031
13	756309350169
14	5639967562399
15	41669245538601
16	305413957523551
17	2223312590034489
18	16091187568891039
19	115885120813664841
20	831075819022712671

[9, 79, 681, 5791, 48729, 405919, 3340521, 27094111, 216288249, 1699187359, 13147825161, 100334472031, 756309350169, 5639967562399, 41669245538601, 305413957523551, 2223312590034489, 16091187568891039, 115885120813664841, 831075819022712671]

cp's OEIS Frontend

A125909 a(n) is the number of nonnegative integers k less than 10^n such that the decimal representation of k lacks the digit 1, at least one of the digits 2,3 and at least one of digits 4,5,6,7,8,9.

Table of values

List of values