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A126827 Ramanujan numbers (A000594) read mod 27. 0
1, 3, 9, 13, 24, 0, 23, 24, 0, 18, 12, 9, 8, 15, 0, 16, 18, 0, 11, 15, 18, 9, 15, 0, 7, 24, 0, 2, 3, 0, 17, 9, 0, 0, 12, 0, 20, 6, 18, 9, 6, 0, 14, 21, 0, 18, 21, 9, 21, 21, 0, 23, 0, 0, 18, 12, 18, 9, 24, 0, 23, 24, 0, 10, 3, 0, 8, 18, 0, 9, 18, 0, 11, 6, 9, 8, 6, 0, 5, 6, 0, 18, 3, 18, 0, 15, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

H. P. F. Swinnerton-Dyer, On l-adic representations and congruences for coefficients, of modular forms, pp. 1-55 of Modular Functions of One Variable III (Antwerp 1972), Lect. Notes Math., 350, 1973.

LINKS

Table of n, a(n) for n=1..87.

CROSSREFS

Cf. A000594.

Sequence in context: A206802 A285900 A022408 * A106402 A125706 A113510

Adjacent sequences:  A126824 A126825 A126826 * A126828 A126829 A126830

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Feb 25 2007

STATUS

approved

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Last modified August 9 11:35 EDT 2022. Contains 356026 sequences. (Running on oeis4.)