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A153453 a(n) = letters(n) + a(n-1); a(0) = 0 in Spanish. 0
3, 6, 10, 16, 21, 25, 30, 34, 39, 43, 47, 51 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..12.

CROSSREFS

A067278

Sequence in context: A202269 A151375 A310082 * A264041 A260708 A310083

Adjacent sequences:  A153450 A153451 A153452 * A153454 A153455 A153456

KEYWORD

nonn,word

AUTHOR

Rodolfo Kurchan, Dec 26 2008

STATUS

approved

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Last modified January 19 06:37 EST 2020. Contains 331033 sequences. (Running on oeis4.)