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A048285 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 9
5 21
6 51
7 126
8 316
9 800
10 2040
11 5230
12 13464
13 34773
14 90035
15 233590
16 607011
17 1579438
18 4114014
19 10725109
20 27979704
21 73035818
22 190737623
23 498320800
24 1302341411
25 3404552915
26 8902154847
27 23281653957
28 60897957049
29 159312797657

[1,1,2,4,9,21,51,126,316,800,2040,5230,13464,
 34773,90035,233590,607011,1579438,4114014,
 10725109,27979704,73035818,190737623,498320800,
 1302341411,3404552915,8902154847,23281653957,
 60897957049,159312797657]

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Last modified April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)