A104292 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A104292 as a simple table

n	a(n)
1	1
2	4
3	40
4	41
5	100
6	101
7	104
8	140
9	141
10	144
11	200
12	201
13	204
14	240
15	241
16	244
17	400
18	401
19	404
20	440
21	441
22	444
23	1000
24	1001

[1,4,40,41,100,101,104,140,141,144,200,201,204, 240,241,244,400,401,404,440,441,444,1000,1001]