A017353 a(n) = 10*n + 7.
7, 17, 27, 37, 47, 57, 67, 77, 87, 97, 107, 117, 127, 137, 147, 157, 167, 177, 187, 197, 207, 217, 227, 237, 247, 257, 267, 277, 287, 297, 307, 317, 327, 337, 347, 357, 367, 377, 387, 397, 407, 417, 427, 437, 447, 457, 467, 477, 487, 497, 507, 517, 527, 537
Offset: 0
Links
- Vincenzo Librandi, Table of n, a(n) for n = 0..5000
- Tanya Khovanova, Recursive Sequences.
- Index entries for linear recurrences with constant coefficients, signature (2,-1).
Programs
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Magma
[10*n+7: n in [0..60]]; // Vincenzo Librandi, May 28 2011
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Maple
A017353:=n->10*n+7: seq(A017353(n), n=0..70); # Wesley Ivan Hurt, Mar 26 2015
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Mathematica
Range[7, 497, 10] (* Vladimir Joseph Stephan Orlovsky, May 28 2011 *)
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PARI
vector(100,n,10*n-3) \\ Derek Orr, Mar 29 2015
Formula
From Vincenzo Librandi, May 28 2011: (Start)
a(n) = 10*n + 7.
a(n) = 2*a(n-1) - a(n-2). (End)
G.f.: (7+3*x)/(x-1)^2. - Wesley Ivan Hurt, Mar 26 2015
From Elmo R. Oliveira, Apr 05 2025: (Start)
E.g.f.: exp(x)*(7 + 10*x).
a(n) = A016873(2*n+1). (End)