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A115914 Numbers k such that k + sigma(k) is a brilliant number (A078972). 1
7, 17, 50, 71, 93, 117, 149, 187, 201, 217, 221, 247, 256, 263, 265, 327, 329, 371, 381, 383, 385, 389, 392, 401, 403, 413, 427, 449, 461, 485, 497, 503, 515, 525, 533, 543, 569, 605, 623, 635, 649, 667, 685, 701, 723, 763, 803, 821, 831, 835, 837, 839 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..52.

EXAMPLE

sigma(117) + 117 = 299 = 13*23.

CROSSREFS

Cf. A078972, A115916.

Sequence in context: A221591 A045821 A262754 * A352616 A094534 A262106

Adjacent sequences:  A115911 A115912 A115913 * A115915 A115916 A115917

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified September 29 09:23 EDT 2022. Contains 357088 sequences. (Running on oeis4.)