A166710 a(n)=prime(n) written in base the largest digit of prime(n).

10, 10, 10, 10, 11, 111, 23, 21, 212, 32, 1011, 52, 221, 223, 65, 203, 65, 141, 124, 131, 133, 87, 123, 108, 117, 101, 10211, 212, 131, 11012, 241, 11212, 254, 164, 175, 1101, 313, 431, 326, 335, 218, 265, 232, 234, 238, 241, 11010011, 22021, 443, 274, 22122

Offset

1,1

Comments

If prime(n) is a repunit then a(n)=prime(n) by convention.

Links

G. C. Greubel, Table of n, a(n) for n = 1..10000

Example

a(6)=23 because p(6)=13 written in base 3 is 23,
a(7)=21 because p(7)=19 written in base 9 is 21.

Mathematica

Table[p=Prime[n]; id=IntegerDigits[p]; ma=If[Max[id]==1, 10, Max[id]]; FromDigits[IntegerDigits[p, ma]], {n, 1, 128}]

Crossrefs

Cf. A072803 n written in base Mod[n, 10].

Sequence in context: A091837 A316650 A216875 * A211872 A178166 A378771

Adjacent sequences: A166707 A166708 A166709 * A166711 A166712 A166713

Keyword

base,nonn

Author

Zak Seidov, Oct 18 2009

Status

approved