OFFSET
1,1
LINKS
Norman Luhn, Table of n, a(n) for n = 1..30259 (terms 1..54 from Tim Johannes Ohrtmann, terms 55..5256 from Dana Jacobsen)
Tony Forbes and Norman Luhn, k-tuplets
CROSSREFS
KEYWORD
nonn
AUTHOR
Tim Johannes Ohrtmann, Apr 16 2015
STATUS
approved