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A074858 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. 0
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; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..33.

EXAMPLE

a(9) = 57 + 31 + R(17) = 57 + 31 + 71 = 159.

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); # Emeric Deutsch, Jul 25 2005

CROSSREFS

Cf. A000213.

Sequence in context: A066173 A114322 A000213 * A074860 A297300 A213005

Adjacent sequences:  A074855 A074856 A074857 * A074859 A074860 A074861

KEYWORD

easy,nonn,base

AUTHOR

Felice Russo, Sep 11 2002

EXTENSIONS

More terms from Emeric Deutsch, Jul 25 2005

STATUS

approved

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Last modified February 19 20:17 EST 2019. Contains 320328 sequences. (Running on oeis4.)