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A004296 as a simple table

na(n)
01
152
22600
3129948
46494800
5324610052
616224007800
7810875779948
840527564989600
92025567373700052
10101237841120013000
115059866488626949948
12252892086590227484400
1312639544463022747270052
14631724331064547136018200
1531573577008764334053639948

[1,52,2600,129948,6494800,324610052,16224007800,
 810875779948,40527564989600,2025567373700052,
 101237841120013000,5059866488626949948,
 252892086590227484400,12639544463022747270052,
 631724331064547136018200,
 31573577008764334053639948]