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Search: id:A152231
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A152231 Similar to A072921 but starting with 2. +0
3
2, 4, 10, 17, 32, 52, 79, 122, 170, 226, 292, 371, 461, 562, 676, 809, 959, 1132, 1312, 1499, 1709, 1936, 2182, 2441, 2711, 2992, 3295, 3617, 3956, 4318, 4696, 5099, 5525, 5968, 6439, 6932, 7445, 7978, 8542, 9125, 9725, 10348, 10987, 11651, 12329, 13024 (list; graph; listen)
OFFSET

1,1

MAPLE

b:= proc(n) option remember; local m; m:= a(n); `if` (n=1, 0, b(n-1)); while m>0 do %+ irem (m, 10, 'm') od; % end: a:= proc(n) option remember; `if` (n=1, 2, a(n-1) +b(n-1)) end: seq (a(n), n=1..50); [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), Oct 07 2009]

CROSSREFS

Sequence in context: A077635 A125754 A097870 this_sequence A034455 A057491 A005541

Adjacent sequences: A152228 A152229 A152230 this_sequence A152232 A152233 A152234

KEYWORD

nonn,base,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Oct 07 2009

EXTENSIONS

More terms from Alois P. Heinz (heinz(AT)hs-heilbronn.de) and Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Oct 07 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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