A358748 - OEIS

%I #5 Dec 07 2022 14:59:53

%S 6,18,22,26,30,34,38,50,58,66,74,90,98,102,106,122,126,130,138,142,

%T 146,158,170,174,178,182,186,194,198,210,222,226,234,238,258,262,270,

%U 274,278,286,290,298,314,322,330,338,346,350,362,370,374,378,382,386,394,398,406,410,426,442,466,482,486

%N Numbers k such that A358669(k) == 1 (mod 4).

%H <a href="/index/Pri#primorialbase">Index entries for sequences related to primorial base</a>

%o (PARI) isA358748(n) = A358758(n);

%Y Setwise difference A016825 \ A358749.

%Y Cf. A003415, A152822, A276086, A358758 (characteristic function), A358669.

%K nonn

%O 1,1

%A _Antti Karttunen_, Dec 06 2022