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4, 20, 36, 52, 68, 84, 100, 116, 132, 148, 164, 180, 196, 212, 228, 244, 260, 276, 292, 308, 324, 340, 356, 372, 388, 404, 420, 436, 452, 468, 484, 500, 516, 532, 548, 564, 580, 596, 612, 628, 644, 660, 676, 692, 708, 724, 740, 756, 772, 788, 804, 820, 836
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| General form: (q*n+1)*q: q=2: A016825, q=3: A017197, q=4: A119413, ... [From Vladimir Orlovsky, Feb 16 2009]
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LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 1..5000
Tanya Khovanova, Recursive Sequences
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FORMULA
| O.g.f.: 4*x*(1+3*x)/(1-x)^2. [From R. J. Mathar, Aug 08 2008]
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MATHEMATICA
| Range[4, 1000, 16] (* From Vladimir Joseph Stephan Orlovsky, May 31 2011 *)
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PROG
| (PARI) for(x=1, 100, print1(16*x-12, ", "))
(MAGMA) [16*n-12: n in [1..60]]; // Vincenzo Librandi, Jul 23 2011
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CROSSREFS
| Cf. A085805 A044446.
Sequence in context: A043880 A030002 A085805 * A044446 A072977 A163365
Adjacent sequences: A119410 A119411 A119412 * A119414 A119415 A119416
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KEYWORD
| nonn,less,easy
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AUTHOR
| Jorge Coveiro (jorgecoveiro(AT)yahoo.com), Jul 26 2006
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