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A158311
a(1)=2, a(n+1) is the largest prime < 2+n^smallest digit of a(n).
1
2, 2, 5, 241, 5, 3121, 7, 823541, 7, 4782961, 11, 11, 13, 13, 13, 13, 17, 17, 19, 19, 19, 19, 23, 523, 577, 9765619, 23, 727, 773, 24379, 887, 27512614091, 2, 1087, 2, 1223, 37, 50651, 2, 1511, 41, 41, 43, 79493, 85159, 43, 97327, 2207, 2, 2399, 2477, 2593
OFFSET
1,1
EXAMPLE
2, 2 (<(2+1^2)), 5 (<(2+2^2)), 241(<(2+3^5)), 5 (<(2+4^1)).
CROSSREFS
Sequence in context: A230607 A353534 A036739 * A158061 A270546 A163119
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
Examples corrected to match definition by D. S. McNeil, Dec 10 2009
Corrected and extended by D. S. McNeil, Dec 10 2009
STATUS
approved