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A130450
Sum of all n-digit Padovan numbers.
1
37, 314, 2978, 28243, 365083, 3365185, 31915109, 302679996, 2870589600, 37106668865, 342034020651, 3243819596611, 30764090529153, 291763841329126, 2767061780242106, 35768416776972079, 329698563001107755, 3126831236266826873
OFFSET
1,1
COMMENTS
The ratio of the (n+1)-th term to the n-th term is approximately 9.5.
The n-th term contains (n+1) digits.
LINKS
EXAMPLE
The sum of all 1-digit Padovan numbers is a(1)=37.
The sum of all 2-digit Padovan numbers is a(2)=314.
MAPLE
A000931 := proc(n) option remember: if(n=0)then return 1: elif(n<=2)then return 0: fi: return procname(n-2)+procname(n-3): end: for n from 0 to 200 do A130450[n]:=0: od: for n from 0 to 1643 do A130450[length(A000931(n))] := A130450[length(A000931(n))] + A000931(n): od: seq(A130450[n], n=1..20); # Nathaniel Johnston, May 05 2011
CROSSREFS
Cf. A000931.
Sequence in context: A165292 A114785 A061014 * A271184 A217117 A291859
KEYWORD
nonn,base
AUTHOR
Parthasarathy Nambi, Aug 08 2007, Aug 09 2007
EXTENSIONS
a(9)-a(18) from Nathaniel Johnston, May 05 2011
STATUS
approved