A032643 Numbers k such that k concatenated with k+3 is a lucky number.

2, 6, 14, 20, 24, 32, 48, 50, 66, 68, 78, 84, 108, 120, 128, 134, 146, 156, 162, 200, 210, 218, 224, 228, 254, 266, 270, 284, 290, 306, 312, 314, 318, 324, 330, 332, 344, 360, 378, 380, 390, 396, 402, 410, 438, 452, 456, 458, 476, 482, 492, 494, 510, 512, 540

Offset

1,1

Links

Table of n, a(n) for n=1..55.

Crossrefs

Cf. A000959, A032653.

Sequence in context: A189804 A308394 A246068 * A067664 A130800 A067262

Adjacent sequences: A032640 A032641 A032642 * A032644 A032645 A032646

Keyword

nonn,easy,base

Author

Patrick De Geest, May 15 1998

Extensions

More terms from Sascha Kurz, Mar 24 2002

Status

approved