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Row 4 of A260717.
3

%I #9 Nov 12 2024 12:33:48

%S 7,11,13,17,23,25,29,31,37,41,43,47,53,55,59,61,67,71,73,77,83,85,89,

%T 91,97,101,103,107,113,115,119,121,127,131,133,137,143,145,149,151,

%U 157,161,163,167,173,175,179,181,187,191,193,197,203,205,209,211,217,221,223,227,233,235,239,241,247,251,253,257

%N Row 4 of A260717.

%H <a href="/index/Rec#order_09">Index entries for linear recurrences with constant coefficients</a>, signature (1, 0, 0, 0, 0, 0, 0, 1, -1).

%F Other identities. For all n >= 1:

%F a(1+(7*(n-1))) = A255414(n).

%o (Scheme) (define (A260714 n) (A260717bi 4 n)) ;; Code for A260717bi given in A260717.

%Y Row 4 of A260717.

%Y Setwise difference of A007310(2..) \ A255413.

%Y Cf. A255414 (only every seventh term of this sequence, starting from 7).

%K nonn

%O 1,1

%A _Antti Karttunen_, Jul 30 2015