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A262786 a(n) = 37^(2*n+1). 3
37, 50653, 69343957, 94931877133, 129961739795077, 177917621779460413, 243569224216081305397, 333446267951815307088493, 456487940826035155404146917, 624931990990842127748277129373, 855531895666462872887391390111637, 1171223165167387672982838813062831053 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

37*a(n) is a square.

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..250

Index entries for linear recurrences with constant coefficients, signature (1369).

FORMULA

G.f.: 37/(1 - 1369*x).

a(n) = 1369*a(n-1).

MATHEMATICA

37^Range[1, 30, 2]

PROG

(MAGMA) [37^(2*n+1): n in [0..15]];

(PARI) vector(20, n, n--; 37^(2*n+1)) \\ Altug Alkan, Oct 08 2015

CROSSREFS

Second bisection of A009981 (powers of 37).

Cf. similar sequences listed in A262715.

Sequence in context: A096349 A015061 A015037 * A140746 A262646 A063681

Adjacent sequences:  A262783 A262784 A262785 * A262787 A262788 A262789

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Oct 08 2015

STATUS

approved

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Last modified September 22 05:47 EDT 2019. Contains 327287 sequences. (Running on oeis4.)