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Row 5 of array in A345417.
6

%I #13 Jul 01 2021 23:41:13

%S 1,-1,1,2,0,6,-3,7,-2,8,-14,-10,15,4,-17,-24,-16,-11,-6,13,20,36,-15,

%T -8,-44,46,-28,39,10,-41,-23,12,25,38,-27,55,-57,-74,76,63,-65,33,-52,

%U -35,18,-18,96,-81,62,-104,106,87,22,-114,-70,24,49,74,126,-51,103,80,28,-113,57

%N Row 5 of array in A345417.

%o (Python)

%o from sympy.core.numbers import igcdex

%o from sympy import prime

%o def A345422(n): return igcdex(11, prime(n))[0] # _Chai Wah Wu_, Jul 01 2021

%Y Cf. A345417-A345421.

%K sign

%O 1,4

%A _N. J. A. Sloane_, Jun 19 2021.