

A144565


a(n) is the smallest composite number > a(n1) that contains the nth prime as a substring.


5



12, 30, 35, 57, 110, 130, 170, 190, 230, 290, 310, 370, 410, 430, 447, 453, 459, 561, 567, 671, 730, 779, 783, 789, 897, 1010, 1030, 1070, 1090, 1113, 1127, 1131, 1137, 1139, 1149, 1510, 1570, 1630, 1670, 1730, 1790, 1810, 1910, 1930, 1970, 1990, 2110
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..47.


FORMULA

a(n) <= 10*n. [Reinhard Zumkeller, May 16 2010]


EXAMPLE

S = 12,30,35,57,110,130,170,190,230,290,310,370,410,430,447,...
p = .2.3...5..7.11..13..17..19..23..29..31..37..41..43...47...


CROSSREFS

Cf. A169798.
Cf. A177981, A177982. [Reinhard Zumkeller, May 16 2010]
Sequence in context: A331367 A335149 A050689 * A334587 A329947 A115912
Adjacent sequences: A144562 A144563 A144564 * A144566 A144567 A144568


KEYWORD

nonn,base


AUTHOR

Eric Angelini, May 01 2010


EXTENSIONS

Typo in example corrected by D. S. McNeil, May 16 2010
Corrected and extended by D. S. McNeil and Reinhard Zumkeller, May 16 2010


STATUS

approved



