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a(1)=1; thereafter a(n) = b(n)*b(n-1), where b = A329804.
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%I #6 Dec 12 2019 21:03:17

%S 1,2,6,30,40,64,320,100,95,570,180,126,840,280,350,400,480,540,630,

%T 770,880,960,1080,1170,234,684,3800,1400,644,4830,2310,1342,2196,3708,

%U 3502,3604,1590,1395,10044,2700,2550,3570,1435,1189,3016,2704,2860,1870

%N a(1)=1; thereafter a(n) = b(n)*b(n-1), where b = A329804.

%H N. J. A. Sloane, <a href="/A330326/b330326.txt">Table of n, a(n) for n = 1..10000</a>

%Y Cf. A329804, A330327.

%K nonn,base

%O 1,2

%A _N. J. A. Sloane_, Dec 12 2019