1,2

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

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.

Cf. A000959, A007953.

Sequence in context: A096102 A316157 A045797 * A056652 A014959 A057233

Adjacent sequences: A118552 A118553 A118554 * A118556 A118557 A118558

base,nonn

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

approved