

A090104


Decimal value of maximal digit of the nth primorial when written in base n.


1



1, 1, 1, 3, 3, 5, 4, 5, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 18, 20, 21, 22, 23, 24, 25, 24, 27, 27, 29, 29, 31, 32, 33, 32, 35, 35, 35, 34, 39, 39, 41, 40, 43, 44, 44, 45, 45, 48, 49, 50, 51, 52, 53, 54, 53, 56, 57, 58, 59, 60, 61, 61, 62, 64, 64, 66, 67, 68, 69, 70, 69, 72
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OFFSET

1,4


LINKS

Table of n, a(n) for n=1..73.


EXAMPLE

n=11: 11th primorial is 200560490130 in base 10 while it is 7806X193790 written in base 11, so a[11]=10 (denoted by X).


MATHEMATICA

qp[x_] := Prime[x]*qp[x1]; {qp[0]=1, qp[1]=2}; RecursionLimit$=10000; Table[Max[IntegerDigits[qp[j], j]], {j, 2, 100}]


CROSSREFS

Cf. A090102.
Sequence in context: A204004 A131950 A116192 * A333822 A075795 A058268
Adjacent sequences: A090101 A090102 A090103 * A090105 A090106 A090107


KEYWORD

base,nonn


AUTHOR

Labos Elemer, Dec 17 2003


STATUS

approved



