A255413 Row 3 of Ludic array A255127: a(n) = A007310((5*n)-3).

5, 19, 35, 49, 65, 79, 95, 109, 125, 139, 155, 169, 185, 199, 215, 229, 245, 259, 275, 289, 305, 319, 335, 349, 365, 379, 395, 409, 425, 439, 455, 469, 485, 499, 515, 529, 545, 559, 575, 589, 605, 619, 635, 649, 665, 679, 695, 709, 725, 739, 755, 769, 785, 799, 815, 829, 845, 859, 875, 889, 905, 919, 935, 949, 965, 979, 995, 1009

Offset

1,1

Links

Antti Karttunen, Table of n, a(n) for n = 1..10001

Formula

a(n) = A007310((5*n)-3).

a(n) = A255407(A084967(n)) = A255407(5*A007310(n)).

Other identities. For all n >= 0:

a(2n+1) = 5*A016921(n).

Mathematica

a[n_] := 15 n + Mod[n, 2] - 11;
Array[a, 100] (* Jean-François Alcover, Mar 14 2016 *)

Prog

(Scheme, two alternatives)
(define (A255413 n) (A255127bi 3 n)) ;; Code for A255127bi given in A255127.
(define (A255413 n) (A007310 (- (* 5 n) 3)))

Crossrefs

Row 3 of A255127.

Cf. A007310, A016921, A084967, A255407.

Sequence in context: A252930 A031019 A324557 * A031041 A029523 A289289

Adjacent sequences: A255410 A255411 A255412 * A255414 A255415 A255416

Keyword

nonn

Author

Antti Karttunen, Feb 22 2015

Status

approved