A245722 - OEIS

%I #20 Jul 11 2024 05:28:24

%S 3,5,7,11,221,323,437,23,899,1147,1517,82861,107113,2491,3127,241133,

%T 21182921,347261,33984931,478661,583573,7387,8633,107972737,

%U 13710311357,135745657,1317919,12317,14351,16637,2494633,428448457,490995677,3532343,645328247

%N Row products of table A244365.

%C a(n) = Product_{k=1..A182134(n)} A244365(n,k);

%C A020639(a(n)) = A000040(n+1);

%C A006530(a(n)) = A245396(n);

%C A001221(a(n)) = A001222(a(n)) = A182134(n); A008966(a(n)) = 1;

%C A001221(GCD(a(n),a(n+1))) = A182134(n) - 1.

%H Reinhard Zumkeller, <a href="/A245722/b245722.txt">Table of n, a(n) for n = 1..1000</a>

%o (Haskell)

%o a245722 = product . a244365_row

%Y Cf. A244365, A245396, A182134, A020639, A006530, A001221, A001222, A008966.

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Nov 18 2014