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A123153 a(n) = (n-th digit of Pi) times (the n-th prime number). 1
6, 3, 20, 7, 55, 117, 34, 114, 115, 87, 155, 296, 369, 301, 423, 159, 118, 183, 536, 284, 438, 158, 498, 356, 291, 303, 824, 321, 218, 791, 1143, 655, 0, 278, 1192, 1208, 628, 163, 1503, 1211, 179, 1086, 1719, 579, 1773, 1791, 633, 1561, 1135, 229, 0, 1195 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Albert Frank, International Contest Of Logical Sequences, 2002 - 2003. Item 5

Albert Frank, Solutions of International Contest Of Logical Sequences, 2002 - 2003.

EXAMPLE

a(1)=3*2=6; a(2)=1*3=3; a(3)=4*5=20;...

MATHEMATICA

Module[{nn=60, pd}, pd=RealDigits[Pi, 10, nn][[1]]; Table[Prime[n]*pd[[n]], {n, nn}]] (* Harvey P. Dale, Sep 25 2014 *)

CROSSREFS

Sequence in context: A019069 A213752 A134410 * A276805 A185783 A288059

Adjacent sequences:  A123150 A123151 A123152 * A123154 A123155 A123156

KEYWORD

nonn,base

AUTHOR

Herman Jamke (hermanjamke(AT)fastmail.fm), Oct 01 2006

STATUS

approved

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Last modified June 21 08:18 EDT 2021. Contains 345358 sequences. (Running on oeis4.)