OFFSET
1,1
COMMENTS
Absolute values of determinants taken on corresponding pairs of digits of Pi and e.
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
a(1) = abs(3*7 - 1*2) = 19 (i.e., the determinant taken on the first pair of digits of Pi and e).
a(2) = abs(1*1 - 7*4) = 27.
a(3) = abs(4*8 - 1*1) = 31.
MATHEMATICA
Module[{nn=80, p, ee}, p=RealDigits[Pi, 10, nn][[1]]; ee=RealDigits[ E, 10, nn][[1]]; Table[Abs[p[[n]]ee[[n+1]]-p[[n+1]]ee[[n]]], {n, nn-1}]] (* Harvey P. Dale, Aug 02 2016 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Don Love (moptop35(AT)hotmail.com), Apr 30 2009
STATUS
approved