A126627 - cp's OEIS frontend

A126627 a(n) is the number of nonnegative integers k less than 10^n such that the decimal representation of k lacks digits 1,2,3 and at least one of digits 4,5,6,7,8,9.

n	a(n)
1	7
2	49
3	343
4	2401
5	16807
6	116929
7	803383
8	5432161
9	36120007
10	236404609
11	1525601623
12	9726181921
13	61371928807
14	383929313089
15	2384606035063
16	14723095123681
17	90457525939207
18	553507860826369
19	3375536272503703
20	20528377102849441
21	124556950506727207

[7, 49, 343, 2401, 16807, 116929, 803383, 5432161, 36120007, 236404609, 1525601623, 9726181921, 61371928807, 383929313089, 2384606035063, 14723095123681, 90457525939207, 553507860826369, 3375536272503703, 20528377102849441, 124556950506727207]

cp's OEIS Frontend

A126627 a(n) is the number of nonnegative integers k less than 10^n such that the decimal representation of k lacks digits 1,2,3 and at least one of digits 4,5,6,7,8,9.

Table of values

List of values