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A133211
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Sum of all n-digit Perrin numbers.
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0
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27, 338, 3113, 29524, 280003, 3619458, 33362676, 316408590, 3000790339, 28459223116, 367878072268, 3390948851403, 32159451022886, 304997313558856, 2892566829325533, 37390757461695633, 344652632558806213
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Eric Weisstein's World of Mathematics, Perrin Sequence.
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EXAMPLE
| Sum of all 1-digit Perrin numbers = 27.
Sum of all 2-digit Perrin numbers = 338.
Sum of all 3-digit Perrin numbers = 3113.
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MATHEMATICA
| a[n_] := a[n] = a[n - 2] + a[n - 3]; a[0] = 3; a[1] = 0; a[2] = 2; t = Table[a@n, {n, 0, 150}]; Table[Plus @@ Select[t, 10^(n - 1) -1 < # < 10^n &], {n, 18}] - Robert G. Wilson v (rgwv(AT)rgwv.com), Oct 14 2007
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CROSSREFS
| Cf. A001608.
Sequence in context: A048709 A160223 A076394 * A178983 A029947 A030673
Adjacent sequences: A133208 A133209 A133210 * A133212 A133213 A133214
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KEYWORD
| nonn,base
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AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Oct 11 2007
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EXTENSIONS
| More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Oct 14 2007
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