A126635 - cp's OEIS frontend

A126635 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 and at least one of digits 6,7,8,9.

n	a(n)
1	7
2	47
3	307
4	1943
5	11827
6	69287
7	392707
8	2166743
9	11703187
10	62168327
11	325983907
12	1692105143
13	8714154547
14	44600020967
15	227161443907
16	1152585909143
17	5830444893907
18	29423488811207
19	148206112628707
20	745396075770743
21	3744474953809267
22	18792450661083047

[7, 47, 307, 1943, 11827, 69287, 392707, 2166743, 11703187, 62168327, 325983907, 1692105143, 8714154547, 44600020967, 227161443907, 1152585909143, 5830444893907, 29423488811207, 148206112628707, 745396075770743, 3744474953809267, 18792450661083047]

cp's OEIS Frontend

A126635 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 and at least one of digits 6,7,8,9.

Table of values

List of values