A359049 - cp's OEIS frontend

A359049 Autobiographical numbers k whose decimal digits are a concatenation count(0), count(1), ..., count(m) for some m, where count(j) is the number of (possibly overlapping) occurrences of j within the digits of k itself.

n	a(n)
1	1210
2	2020
3	21200
4	3211000
5	42101000
6	521001000
7	6210001000
8	53110100002
9	62200010001
10	541011000021
11	6401101000310
12	74011001003100
13	840110001031000
14	1040110000031000
15	9321000001201000
16	94201000012110000
17	1160010100041000010
18	11611001000320000100
19	13313000000001200000
20	13313000000100200000

[1210, 2020, 21200, 3211000, 42101000, 521001000, 6210001000, 53110100002, 62200010001, 541011000021, 6401101000310, 74011001003100, 840110001031000, 1040110000031000, 9321000001201000, 94201000012110000, 1160010100041000010, 11611001000320000100, 13313000000001200000, 13313000000100200000]

cp's OEIS Frontend

A359049 Autobiographical numbers k whose decimal digits are a concatenation count(0), count(1), ..., count(m) for some m, where count(j) is the number of (possibly overlapping) occurrences of j within the digits of k itself.

Table of values

List of values