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A078260 a(n) = denominator(N), where N = 0.246...up to 2n (concatenation 2 to 2n of first n even numbers after decimal point). 1
5, 25, 500, 2500, 500000, 25000000, 5000000000, 125000000000, 50000000000000, 2500000000000000, 500000000000000000, 6250000000000000000, 5000000000000000000000, 250000000000000000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..14.

CROSSREFS

Cf. A078261.

Sequence in context: A204544 A082026 A101392 * A007185 A175852 A030995

Adjacent sequences:  A078257 A078258 A078259 * A078261 A078262 A078263

KEYWORD

base,frac,nonn

AUTHOR

Amarnath Murthy, Nov 24 2002

EXTENSIONS

More terms from Sascha Kurz, Jan 04 2003

STATUS

approved

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Last modified November 27 16:30 EST 2014. Contains 250240 sequences.