A032675 Digit '3' concatenated with a(n) is a lucky number.

1, 3, 7, 19, 21, 27, 31, 39, 49, 57, 61, 67, 85, 91, 93, 99, 109, 111, 121, 123, 133, 153, 163, 171, 175, 183, 187, 199, 213, 223, 229, 235, 243, 259, 261, 289, 297, 301, 307, 313, 325, 339, 351, 355, 363, 381, 403, 405, 409, 411, 427, 433, 439

Offset

1,2

Links

Table of n, a(n) for n=1..53.

Crossrefs

Cf. A000959.

Sequence in context: A151858 A365139 A242170 * A089749 A032667 A109991

Adjacent sequences: A032672 A032673 A032674 * A032676 A032677 A032678

Keyword

nonn,base,less

Author

Patrick De Geest, May 15 1998

Status

approved