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A260173 as a simple table

n a(n)
1 409
2 1001
3 2598
4 6973
5 19701
6 55849
7 153286
8 432380
9 1232980
10 3453740
11 9694328
12 27459576
13 77441354
14 217625342
15 613977178
16 1733263382
17 4880225452
18 13751170422
19 38794513220
20 109345894200
21 308089966994
22 868658498318
23 2449053719350

[409,1001,2598,6973,19701,55849,153286,432380,
 1232980,3453740,9694328,27459576,77441354,
 217625342,613977178,1733263382,4880225452,
 13751170422,38794513220,109345894200,308089966994,
 868658498318,2449053719350]

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Last modified February 7 20:37 EST 2023. Contains 360131 sequences. (Running on oeis4.)