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A073856 a(1) = 1, then the smallest n-th power not included earlier such that each partial sum is a prime. 2
1, 4, 8, 16, 32, 4096, 279936, 656100000000, 19683000000000, 3656158440062976, 36028797018963968, 417030640378345864542952820736, 6502111422497947648, 329539482806454424642350193846115106816, 24066838317339048730709164032 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..15.

CROSSREFS

Cf. A073857.

Sequence in context: A272712 A020161 A068890 * A019458 A264166 A330913

Adjacent sequences: A073853 A073854 A073855 * A073857 A073858 A073859

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Aug 15 2002

EXTENSIONS

More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 24 2003

STATUS

approved

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Last modified November 29 06:00 EST 2022. Contains 358422 sequences. (Running on oeis4.)