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A050620 Quotients arising from sequence A035014. 2
2, 11, 43, 209, 1042, 6771, 26823, 130599, 651237, 3255306, 21158903, 83821639, 408121757, 2035115566, 13224589033, 52388661704, 331370112102, 1691563962301, 6567827879588, 41430886596044, 211450306579272 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..21.

FORMULA

a(n) = a(n-1)/2 + 5^(n-1)*(4-[a(n-1) mod 2])/2.

CROSSREFS

Cf. A035014.

Sequence in context: A141190 A048500 A197189 * A027253 A066058 A153440

Adjacent sequences:  A050617 A050618 A050619 * A050621 A050622 A050623

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Jun 15 1999.

EXTENSIONS

Formula and more terms from Antonio G. Astudillo (afg_astudillo(AT)hotmail.com), Jun 17 2001

STATUS

approved

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Last modified June 19 12:19 EDT 2013. Contains 226404 sequences.