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A158055
a(1)=2, a(n+1) is the smallest prime > n*first digit of a(n).
1
2, 3, 7, 23, 11, 7, 43, 29, 17, 11, 11, 13, 13, 17, 17, 17, 17, 19, 19, 23, 41, 89, 179, 29, 53, 127, 29, 59, 149, 31, 97, 281, 67, 199, 37, 107, 37, 113, 41, 157, 41, 167, 43, 173, 47, 181, 47, 191, 53, 251, 101, 53, 263, 107, 59
OFFSET
1,1
LINKS
MAPLE
A[1]:= 2:
for n from 1 to 99 do A[n+1]:= nextprime(n*floor(A[n]/10^(ilog10(A[n])))) od:
seq(A[i], i=1..100); # Robert Israel, Mar 23 2020
CROSSREFS
KEYWORD
nonn,base,look
AUTHOR
EXTENSIONS
Corrected by D. S. McNeil, Mar 21 2009
STATUS
approved