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A139613 78n + 13. 3
13, 91, 169, 247, 325, 403, 481, 559, 637, 715, 793, 871, 949, 1027, 1105, 1183, 1261, 1339, 1417, 1495, 1573, 1651, 1729, 1807, 1885, 1963, 2041, 2119, 2197, 2275, 2353, 2431, 2509, 2587, 2665, 2743, 2821, 2899, 2977, 3055, 3133 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

COMMENTS

Numbers of the 13rd column of positive numbers in the square array of nonnegative and polygonal numbers A139600. Also, numbers of the 13rd column in the square array A057145.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..5000

Index to sequences with linear recurrences with constant coefficients, signature (2,-1).

PROG

(MAGMA) [13*(6*n + 1): n in [0..60]]; // Vincenzo Librandi, Jul 23 2011

(PARI) a(n)=78*n+13 \\ Charles R Greathouse IV, Oct 05 2011

CROSSREFS

Sequence in context: A166215 A131700 A156947 * A188352 A162631 A008505

Adjacent sequences:  A139610 A139611 A139612 * A139614 A139615 A139616

KEYWORD

easy,nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Apr 27 2008

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Last modified February 15 11:25 EST 2012. Contains 205777 sequences.