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A055516 Largest integer k such that k | Phi(k) + d(k) + n. 0
9, 2, 25, 16, 49, 27, 20, 35, 121, 33, 169, 55, 13, 77, 289, 91, 361, 85, 44, 143, 529, 133, 81, 187, 56, 221, 841, 247, 961, 253, 68, 323, 60, 217, 1369, 391, 72, 437, 1681, 403, 1849, 493, 92, 551, 2209, 589, 78, 667, 104, 713, 2809 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..50.

EXAMPLE

for a(3), 16 | [ Phi(16) + d(16) + 3 ].

CROSSREFS

Sequence in context: A272033 A098289 A152020 * A248314 A174837 A096042

Adjacent sequences:  A055513 A055514 A055515 * A055517 A055518 A055519

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Jul 03 2000

STATUS

approved

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Last modified June 25 04:52 EDT 2021. Contains 345452 sequences. (Running on oeis4.)