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A133199 Sum of all n-digit cake numbers. 0
15, 240, 4780, 97055, 2025120 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

E.W. Weisstein, Cylinder Cutting

EXAMPLE

Sum of all 1-digit cake numbers is 15.

Sum of all 2-digit cake numbers is 240.

Sum of all 3-digit cake numbers is 4780.

CROSSREFS

Cf. A000125.

Sequence in context: A220821 A090411 A154806 * A059760 A059615 A215855

Adjacent sequences:  A133196 A133197 A133198 * A133200 A133201 A133202

KEYWORD

nonn,base

AUTHOR

Parthasarathy Nambi, Oct 10 2007

STATUS

approved

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Last modified February 23 08:18 EST 2019. Contains 320420 sequences. (Running on oeis4.)