login

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”).

A250089 as a simple table

na(n)
11
22
33
44
55
66
78
89
910
1012
1115
1216
1318
1420
1524
1625
1727
1830
1932
2036
2140
2245
2348
2450
2554
26100
27104
28112
29115
30120
31121
32130
33136
34140
35148
36200
37205
38208
39215
40224
41230
42240
43242
44300
45312
46320
47336
48345
49400
50403
51410
52416
53430
54448
55500
56520
57524
58600

[1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,25,27,30,32,
 36,40,45,48,50,54,100,104,112,115,120,121,130,136,
 140,148,200,205,208,215,224,230,240,242,300,312,
 320,336,345,400,403,410,416,430,448,500,520,524,
 600]