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A156768 a(1)=2, a(n+1) is the smallest prime > n + smallest digit of n-th prime*smallest digit of n. 0
2, 5, 11, 19, 37, 11, 13, 17, 17, 29, 11, 13, 17, 17, 19, 23, 23, 23, 23, 29, 23, 29, 37, 31, 41, 41, 29, 29, 29, 31, 31, 37, 37, 37, 41, 41, 41, 41, 43, 43, 41, 43, 47, 47, 53, 53, 53, 53, 59, 59, 53, 59, 59, 59, 59, 67, 67, 71, 67, 71, 61, 67, 67, 67, 71, 71, 73, 79, 89, 89 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..70.

EXAMPLE

2, 3(=3=1+2*1), 11(>8=2+3*2), 7(=7=3+1*4), 37(>32=4+7*4), etc.

CROSSREFS

Cf. A000040, A156672.

Sequence in context: A084572 A040105 A319859 * A134694 A121606 A166164

Adjacent sequences:  A156765 A156766 A156767 * A156769 A156770 A156771

KEYWORD

nonn,base,less

AUTHOR

Juri-Stepan Gerasimov, Feb 15 2009

EXTENSIONS

Corrected by R. J. Mathar, Feb 26 2009

STATUS

approved

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Last modified October 21 04:00 EDT 2021. Contains 348141 sequences. (Running on oeis4.)