A126718 - cp's OEIS frontend

A126718 a(n) is the number of nonnegative integers k less than 10^n such that the decimal representation of k lacks the digits 1,2,3, 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	7
2	43
3	235
4	1171
5	5467
6	24403
7	105595
8	447091
9	1864027
10	7686163
11	31440955
12	127865011
13	517788187
14	2090186323
15	8417944315
16	33843570931
17	135890057947
18	545108340883
19	2185079263675
20	8754257900851
21	35058860433307
22	140360940805843
23	561820285607035

[7, 43, 235, 1171, 5467, 24403, 105595, 447091, 1864027, 7686163, 31440955, 127865011, 517788187, 2090186323, 8417944315, 33843570931, 135890057947, 545108340883, 2185079263675, 8754257900851, 35058860433307, 140360940805843, 561820285607035]

cp's OEIS Frontend

A126718 a(n) is the number of nonnegative integers k less than 10^n such that the decimal representation of k lacks the digits 1,2,3, 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