

A134647


Let a(1) = 0, a(2) = 1; and a(n) = a(n1) + [the twodigit integer split by the comma which separates a(n1) and a(n2)].


0



0, 1, 2, 14, 35, 78, 135, 216, 268, 330, 413, 417, 451, 525, 540, 595, 600, 656, 662, 728, 755, 842, 900, 929, 938, 1037, 1118, 1189, 1270, 1361, 1362, 1373, 1394, 1425, 1466, 1517, 1578, 1649, 1730, 1821, 1822, 1833, 1854, 1885, 1926, 1977
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OFFSET

1,3


LINKS

Table of n, a(n) for n=1..46.


EXAMPLE

135 = 78 + 57, since the comma in 35,78 splits the number 57.


MATHEMATICA

a[1]=0; a[2]=1;
a[n_]:=a[n]=a[n1]+10 Mod[a[n2], 10]+IntegerDigits[a[n1]][[1]];
Table[a[k], {k, 100}]


CROSSREFS

Cf. A121805.
Sequence in context: A291152 A145910 A128126 * A004117 A135706 A091520
Adjacent sequences: A134644 A134645 A134646 * A134648 A134649 A134650


KEYWORD

nonn,base


AUTHOR

N. J. A. Sloane, Oct 17 2009, based on a posting to the Sequence Fans Mailing List by Eric Angelini, Oct 15 2009


EXTENSIONS

Corrected and extended with Mma code by Farideh Firoozbakht, Oct 15 2009


STATUS

approved



