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A231399 as a simple table

n a(n)
1 7
2 15
3 100
4 311
5 1706
6 7844
7 35696
8 184692
9 873979
10 4399412
11 22162876
12 110261498
13 564140421
14 2850848402
15 14542997263
16 74409026027
17 380043653506
18 1950717998012
19 10003505335070
20 51373261673575
21 264098740804503
22 1357567141208027

[7,15,100,311,1706,7844,35696,184692,873979,
 4399412,22162876,110261498,564140421,2850848402,
 14542997263,74409026027,380043653506,
 1950717998012,10003505335070,51373261673575,
 264098740804503,1357567141208027]

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)