A140409 Prime factors of Lucas numbers.

2, 3, 7, 11, 19, 23, 29, 31, 41, 43, 47, 59, 67, 71, 79, 83, 101, 103, 107, 127, 131, 139, 151, 163, 167, 179, 181, 191, 199, 211, 223, 227, 229, 239, 241, 251, 263, 271, 281, 283, 307, 311, 331, 347, 349, 359, 367, 379, 383, 401, 409, 419, 431, 439, 443, 449

Offset

1,1

Comments

a(n) is A096362(n) in ascending order.

Links

Table of n, a(n) for n=1..56.

C. Smyth, The terms in Lucas Sequences divisible by their indices, JIS 13 (2010) #10.2.4.

Formula

Union of 2, A053027 and A053032 - T. D. Noe, Jun 21 2008

Crossrefs

Cf. A096362 Order in which prime factors first occur in the Lucas sequence.

Sequence in context: A114345 A077165 A090666 * A201011 A108541 A038937

Adjacent sequences: A140406 A140407 A140408 * A140410 A140411 A140412

Keyword

nonn

Author

Tanya Khovanova, Jun 16 2008

Extensions

More terms from T. D. Noe, Jun 21 2008

Status

approved