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A118555 Lucky numbers for which the sum of the digits is also a lucky number. 1
1, 3, 7, 9, 21, 25, 43, 49, 63, 67, 69, 87, 111, 115, 133, 135, 151, 159, 171, 193, 195, 201, 205, 223, 241, 261, 267, 283, 285, 319, 331, 339, 357, 391, 393, 399, 409, 421, 427, 429, 463, 483, 489, 511, 517, 519, 535, 537, 553, 579, 591, 601, 621, 643, 645 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..10000

EXAMPLE

49 is in the sequence because (1) it is a lucky number and (2) the sum of its digits 4+9=13 is also a lucky number.

CROSSREFS

Cf. A000959, A007953.

Sequence in context: A096102 A316157 A045797 * A056652 A014959 A057233

Adjacent sequences:  A118552 A118553 A118554 * A118556 A118557 A118558

KEYWORD

base,nonn

AUTHOR

Luc Stevens (lms022(AT)yahoo.com), May 07 2006

STATUS

approved

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Last modified February 27 13:18 EST 2020. Contains 332306 sequences. (Running on oeis4.)