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A051550 Numerators in expansion of 1/(10+sqrt(36+x)). 2
1, -1, 7, -65, 695, -8081, 33101, -422987, 5564765, -224617265, 3076621127, -42757939841, 601443961207, -8546453367505, 122502619954855, -65523500154995, 2857425741902815, -41776517795212585, 1841741396312128685, -27188436143675219435 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

The program confirms that the "dip" in magnitude near a(15) is correct. - R. J. Mathar, Oct 31 2006

REFERENCES

B. C. Berndt, Ramanujan's Notebooks Part III, Springer-Verlag, see p. 92, Eq. 2.5

LINKS

Table of n, a(n) for n=0..19.

MAPLE

A051550 := proc(n) s := taylor( 1/(10+sqrt(36+x)), x=0, n+1) ; coeftayl(s, x=0, n) ; end: for n from 0 to 30 do printf("%a, ", numer(A051550(n))) ; end: # R. J. Mathar, Oct 31 2006

MATHEMATICA

CoefficientList[Series[1/(10+Sqrt[36+x]), {x, 0, 20}], x]//Numerator (* Harvey P. Dale, Dec 16 2020 *)

CROSSREFS

Cf. A051551.

Sequence in context: A264875 A083302 A099342 * A300488 A085283 A069015

Adjacent sequences:  A051547 A051548 A051549 * A051551 A051552 A051553

KEYWORD

sign,frac

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified November 28 12:04 EST 2021. Contains 349401 sequences. (Running on oeis4.)