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A074858
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a(n)=a(n-1)+a(n-2)+R[a(n-3)] where a(0)=a(1)=a(2)=1 and R(n) (A004086) means the reverse of n.
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1, 1, 1, 3, 5, 9, 17, 31, 57, 159, 229, 463, 1643, 3028, 5035, 11524, 24762, 41591, 108864, 177197, 305575, 951573, 2048919, 3575995, 6000073, 18774470, 30770296, 53244772, 91462849, 213915324, 333122408, 641864151, 1398505871, 2844591355
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,4
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EXAMPLE
| a(9)=57+31+R(17)=57+31+71=159
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MAPLE
| R:=proc(n) local nn, nnn: nn:=convert(n, base, 10): add(nn[nops(nn)+1-j]*10^(j-1), j=1..nops(nn)) end: a[0]:=1: a[1]:=1: a[2]:=1: for n from 3 to 34 do a[n]:=a[n-1]+a[n-2]+R(a[n-3]) od: seq(a[n], n=0..34); (Deutsch)
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CROSSREFS
| Cf. A000213.
Sequence in context: A066173 A114322 A000213 * A074860 A171856 A205537
Adjacent sequences: A074855 A074856 A074857 * A074859 A074860 A074861
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KEYWORD
| easy,nonn,base
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AUTHOR
| Felice Russo (frusso(AT)micron.com), Sep 11 2002
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EXTENSIONS
| More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Jul 25 2005
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