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A050678
Index of first occurrence of n in A048288.
1
82, 2, 5, 8, 9, 15, 17, 30, 26, 18, 91, 53
OFFSET
1,1
MATHEMATICA
Join[{1}, Table[i=1; While[PrimeOmega[FromDigits[Flatten[IntegerDigits[Range[i, 1, -1]]]]]!=n, i++]; i, {n, 2, 10}]] (* Jayanta Basu, May 30 2013 *)
CROSSREFS
KEYWORD
nonn,base,hard,more
AUTHOR
Patrick De Geest, Aug 15 1999
EXTENSIONS
a(11)-a(12) from Sean A. Irvine, Aug 17 2021
Edited by N. J. A. Sloane, Sep 04 2021
STATUS
approved