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A027636 Expansion of (1+x^19)/((1-x^2)*(1-x^4)^2*(1-x^6). 0
1, 0, 1, 0, 3, 0, 4, 0, 7, 0, 9, 0, 14, 0, 17, 0, 24, 0, 29, 1, 38, 1, 45, 3, 57, 4, 66, 7, 81, 9, 93, 14, 111, 17, 126, 24, 148, 29, 166, 38, 192, 45, 214, 57, 244, 66, 270, 81, 305, 93, 335, 111, 375, 126, 410, 148, 455 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

REFERENCES

B. Runge, On Siegel modular forms II, Nagoya Math. J., 138 (1995), 179-197.

LINKS

Table of n, a(n) for n=0..56.

Index entries for linear recurrences with constant coefficients, signature (1, 0, 0, 2, -2, 1, -1, -1, 1, -2, 2, 0, 0, 1, -1).

MATHEMATICA

CoefficientList[Series[(1+x^19)/((1-x^2)(1-x^4)^2(1-x^6)), {x, 0, 60}], x] (* Harvey P. Dale, Oct 13 2015 *)

CROSSREFS

Sequence in context: A246691 A066705 A277894 * A173425 A289445 A237558

Adjacent sequences:  A027633 A027634 A027635 * A027637 A027638 A027639

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 21 00:36 EDT 2022. Contains 353886 sequences. (Running on oeis4.)