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A152515 as a simple table

n a(n)
1 0
2 50
3 321315
4 824734660
5 1615456263653
6 2896390530019554
7 5041787615373941503
8 8691245890710074064416
9 14935422227548071392068185
10 25640373750597951750787951486
11 44004685572828990924291145512563
12 75515015253707870321041620455156412
13 129585276023496655588712207028376849165 

[0,50,321315,824734660,1615456263653,
 2896390530019554,5041787615373941503,
 8691245890710074064416,14935422227548071392068185,
 25640373750597951750787951486,
 44004685572828990924291145512563,
 75515015253707870321041620455156412,
 129585276023496655588712207028376849165]

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Last modified April 25 23:59 EDT 2024. Contains 371989 sequences. (Running on oeis4.)