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A281053 as a simple table

n a(n)
1 2
2 104
3 618
4 2452
5 7803
6 22106
7 58005
8 144283
9 344972
10 800225
11 1812024
12 4023754
13 8791481
14 18948288
15 40366695
16 85135873
17 177990242
18 369259703
19 760850914
20 1558181104
21 3173635543
22 6432024694
23 12977428633
24 26076680087
25 52202242904

[2,104,618,2452,7803,22106,58005,144283,344972,
 800225,1812024,4023754,8791481,18948288,40366695,
 85135873,177990242,369259703,760850914,1558181104,
 3173635543,6432024694,12977428633,26076680087,
 52202242904]

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Last modified April 24 19:49 EDT 2024. Contains 371963 sequences. (Running on oeis4.)