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A117619
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a(n) = n^2 + 7.
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6
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7, 8, 11, 16, 23, 32, 43, 56, 71, 88, 107, 128, 151, 176, 203, 232, 263, 296, 331, 368, 407, 448, 491, 536, 583, 632, 683, 736, 791, 848, 907, 968, 1031, 1096, 1163, 1232, 1303, 1376, 1451, 1528, 1607, 1688, 1771, 1856, 1943, 2032, 2123, 2216, 2311, 2408
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OFFSET
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0,1
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LINKS
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Table of n, a(n) for n=0..49.
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FORMULA
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a(n) = a(n-1) + 2*n - 1 (with a(0) = 7). [From Vincenzo Librandi, Nov 13 2010]
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EXAMPLE
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If n = 1 then n^2 + 7 = 1^2 + 7 = 8 which is the second term.
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MATHEMATICA
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Table[n^2 + 7, {n, 0, 60}] (* Stefan Steinerberger, Apr 08 2006 *)
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PROG
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(Sage) [lucas_number1(3, n, -7) for n in xrange(0, 50)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 16 2009]
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CROSSREFS
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Cf. A117951, A117950.
Sequence in context: A090385 A145826 A102963 * A098731 A105740 A050796
Adjacent sequences: A117616 A117617 A117618 * A117620 A117621 A117622
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KEYWORD
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nonn,less
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AUTHOR
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Parthasarathy Nambi, Apr 07 2006
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EXTENSIONS
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More terms from Stefan Steinerberger, Apr 08 2006
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STATUS
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approved
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