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A135390 as a simple table

n a(n)
0 1
1 15
2 310
3 7455
4 195426
5 5416026
6 156061620
7 4628393055
8 140348412490
9 4331544836190
10 135614951248140
11 4296741195214650
12 137507314754659500
13 4438467396322843500
14 144329729055650881560
15 4723733064176346346335

[1,15,310,7455,195426,5416026,156061620,
 4628393055,140348412490,4331544836190,
 135614951248140,4296741195214650,
 137507314754659500,4438467396322843500,
 144329729055650881560,4723733064176346346335]

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Last modified April 24 16:25 EDT 2024. Contains 371961 sequences. (Running on oeis4.)