login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A213254
Primes from merging of ten consecutive digits in decimal expansion of Catalan's Constant, in the order in which they occur.
2
5460351493, 5149323841, 3565129261, 9957903589, 3325859059, 2585905943, 1584069953, 3319460519, 8659090247, 5835260219, 5576104823, 2357339423, 6189977069, 4041808621, 6217941101, 2179411019, 2487537187, 1131571261, 4398500173, 7388749561, 4621624339
OFFSET
1,1
COMMENTS
Leading zeros not permitted, i.e., each prime contains ten digits, and the terms are listed in the order in which they occur, i.e., they are not sorted.
LINKS
MATHEMATICA
Take[Select[FromDigits/@Partition[RealDigits[Catalan, 10, 2000][[1]], 10, 1], PrimeQ[#]&&IntegerLength[#]==10&], 40]
CROSSREFS
Sequence in context: A112430 A272714 A376255 * A295458 A058416 A343979
KEYWORD
nonn,base
AUTHOR
Harvey P. Dale, Jun 07 2012
STATUS
approved