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A299157
Numbers k such that k+1 divides tau(k), where tau(k)=A000594(k) is Ramanujan's tau function.
5
2, 3, 5, 6, 7, 11, 13, 17, 19, 20, 22, 23, 27, 29, 31, 41, 45, 47, 53, 55, 59, 68, 71, 76, 77, 79, 83, 87, 89, 91, 97, 104, 107, 114, 127, 137, 139, 149, 160, 167, 171, 177, 179, 183, 191, 195, 199, 209, 223, 229, 239, 240, 243, 251, 269, 275, 293, 297, 321, 343
OFFSET
1,1
COMMENTS
Numbers k such that A299163(k) = 0.
LINKS
Eric Weisstein's World of Mathematics, Tau Function
PROG
(PARI) isok(n) = (ramanujantau(n) % (n+1)) == 0; \\ Michel Marcus, Feb 05 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Feb 04 2018
STATUS
approved