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a(n) = A113572(n)/n.
2

%I #13 Nov 22 2023 22:43:34

%S 1,6,41,306,2449,20404,174895,1530303,13602694,0,1112947677,

%T 10202020369,94172495711,874458888747,0,76515152765153,

%U 720142614260276,6801346912458046,64433812854865493,0,5829725924964020204,55647383829202011022,532279323583671409769,5101010184343517676851,0,470862478554786247093941

%N a(n) = A113572(n)/n.

%C a(5*t) = 0 for t > 1. Conjecture: No other term is zero.

%H Sean A. Irvine, <a href="/A113573/b113573.txt">Table of n, a(n) for n = 1..1000</a>

%e a(6) = 122424/6 = 20404.

%Y Cf. A113572.

%K base,easy,nonn

%O 1,2

%A _Amarnath Murthy_, Nov 06 2005

%E Corrected and extended by _R. J. Mathar_, Aug 29 2007

%E Corrected and extended by _Sean A. Irvine_, Jan 17 2011