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A131493 Values of n such that PI^n starts with the digits n. 0
3, 226, 1837, 2163, 5358, 44857, 170788, 482721, 8918391, 36589396, 122394502, 1107852077 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Next term exceeds 2^31. [From Jon E. Schoenfield (jonscho(AT)hiwaay.net), Jul 17 2010]

EXAMPLE

226 is a term of this sequence because PI^226 = 226.9191... * 10^110, which starts with 226.

PROG

(PARI) s=1; for(i=1, 10000000, s=s*Pi; if(s-i>11, s=s/10, ); if(floor(s)==i, printp1(i, ", "), ))

CROSSREFS

Sequence in context: A071881 A157557 A157582 * A195500 A099426 A100201

Adjacent sequences:  A131490 A131491 A131492 * A131494 A131495 A131496

KEYWORD

more,nonn,base

AUTHOR

Randy L. Ekl (Randy.Ekl(AT)Motorola.com), Aug 12 2007

EXTENSIONS

a(10)-a(12) from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Jul 17 2010

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Last modified February 17 19:00 EST 2012. Contains 206076 sequences.