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A278578
a(n) = least value of k such that tau(k) = A000594(k) == n mod 23.
3
4, 1, 59, 3481, 5959, 12117361, 351581, 344322938, 995153, 35509681, 1223853461, 117428054, 58714027, 2447706922, 71019362, 1990306, 172161469, 703162, 24234722, 11918, 6962, 118, 2
OFFSET
0,1
COMMENTS
A finite sequence, containing a(0) through a(22) only.
REFERENCES
Wilton, John Raymond. "Congruence properties of Ramanujan's function τ(n)." Proceedings of the London Mathematical Society 2.1 (1930): 1-10. Table I gives all 23 terms.
LINKS
EXAMPLE
tau(4) = -1472 is the first term of A000594 that is a multiple of 23, so a(0) = 4.
CROSSREFS
Sequence in context: A316159 A370415 A113112 * A368266 A338681 A069740
KEYWORD
nonn,fini,full
AUTHOR
N. J. A. Sloane, Nov 29 2016
EXTENSIONS
More terms from Ray Chandler, Dec 01 2016
STATUS
approved