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A023857 as a simple table

n a(n)
1 3
2 4
3 13
4 16
5 34
6 40
7 70
8 80
9 125
10 140
11 203
12 224
13 308
14 336
15 444
16 480
17 615
18 660
19 825
20 880
21 1078
22 1144
23 1378
24 1456
25 1729
26 1820
27 2135
28 2240
29 2600
30 2720
31 3128
32 3264
33 3723
34 3876
35 4389
36 4560
37 5130
38 5320
39 5950
40 6160
41 6853
42 7084
43 7843
44 8096
45 8924
46 9200
47 10100
48 10400
49 11375
50 11700

[3,4,13,16,34,40,70,80,125,140,203,224,308,336,
 444,480,615,660,825,880,1078,1144,1378,1456,1729,
 1820,2135,2240,2600,2720,3128,3264,3723,3876,4389,
 4560,5130,5320,5950,6160,6853,7084,7843,8096,8924,
 9200,10100,10400,11375,11700]

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Last modified April 18 06:08 EDT 2024. Contains 371767 sequences. (Running on oeis4.)