A234605 - OEIS

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A234605

a(n+1) is next smallest cube ending with a(n), initial term is 0.

6

0, 1000, 1331000, 1003303631331000, 1000000003003300003006603631003303631331000

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

a(6) is too large to include (contains 124 digits).

LINKS

Table of n, a(n) for n=1..5.

FORMULA

For n>1, a(n) = 1000*A050646(n-1) = 1000*A050647(n-1)^3.

a(n) = (sum_{i=0..n-1} 10^((3^i+1)/2))^3. - Max Alekseyev, Jan 07 2015

CROSSREFS

Cf. A050650, A050648.

Sequence in context: A060365 A060366 A260692 * A013793 A013856 A111098

Adjacent sequences: A234602 A234603 A234604 * A234606 A234607 A234608

KEYWORD

nonn,base

AUTHOR

Derek Orr, Dec 28 2013

STATUS

approved