# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a276201 Showing 1-1 of 1 %I A276201 #8 Jul 02 2017 08:48:53 %S A276201 19,233,2351,235699,23571103,2357111297,235711131709,23571113171891, %T A276201 2357111317192243,235711131719232929,23571113171923293127, %U A276201 2357111317192329313727,235711131719232931374061,23571113171923293137414303,2357111317192329313741434739,235711131719232931374143475271 %N A276201 Largest prime < A019518(n). %C A276201 The complement of A074366. %H A276201 Eric Weisstein's World of Mathematics, Previous Prime %F A276201 a(n) = A151799(A019518(n)). %F A276201 a(n) = A000040(A000720(A019518(n)-1)). %e A276201 a(5) = 235699, because this is the largest prime less than 235711 (concatenation of first 5 primes, written in decimal system). %t A276201 Table[NextPrime[FromDigits[Flatten[IntegerDigits[Prime[Range[n]]]]], -1], {n, 2, 17}] %Y A276201 Cf. A000040, A000720, A019518, A074366, A151799. %K A276201 nonn,base %O A276201 2,1 %A A276201 _Ilya Gutkovskiy_, Aug 24 2016 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE