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A033574 (2n+1)(10n+1). 1
1, 33, 105, 217, 369, 561, 793, 1065, 1377, 1729, 2121, 2553, 3025, 3537, 4089, 4681, 5313, 5985, 6697, 7449, 8241, 9073, 9945, 10857, 11809, 12801, 13833, 14905, 16017, 17169, 18361, 19593, 20865 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..32.

Index entries for linear recurrences with constant coefficients, signature (3,-3,1).

PROG

(PARI) a(n)=(2*n+1)*(10*n+1) \\ Charles R Greathouse IV, Jun 17 2017

CROSSREFS

Sequence in context: A133901 A008880 A045613 * A183446 A296125 A297429

Adjacent sequences:  A033571 A033572 A033573 * A033575 A033576 A033577

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified December 10 16:44 EST 2018. Contains 318049 sequences. (Running on oeis4.)