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A160524 Exceptional class of numbers n such that p(5n+4) == 0 mod 25, where p() = A000041(). 0
8, 15, 17, 37, 41, 46, 51, 53, 55, 65, 75, 77, 102, 106, 110, 116 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The unexceptional class consists of the numbers n == 4 mod 5.

REFERENCES

Watson, G. N.; Ramanujans Vermutung ueber Zerfaellungsanzahlen. J. Reine Angew. Math. (Crelle), 179 (1938), 97-128.

LINKS

Table of n, a(n) for n=1..16.

GDZ, Digitized volumes of Crelle

CROSSREFS

Sequence in context: A114605 A031103 A179107 * A161541 A247081 A133157

Adjacent sequences:  A160521 A160522 A160523 * A160525 A160526 A160527

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 13 2009

STATUS

approved

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Last modified November 18 19:06 EST 2017. Contains 294894 sequences.