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A056129 Final nonzero digit of n-th primorial. +0
2
1, 2, 6, 3, 1, 1, 3, 1, 9, 7, 3, 3, 1, 1, 3, 1, 3, 7, 7, 9, 9, 7, 3, 9, 1, 7, 7, 1, 7, 3, 9, 3, 3, 1, 9, 1, 1, 7, 1, 7, 1, 9, 9, 9, 7, 9, 1, 1, 3, 1, 9, 7, 3, 3, 3, 1, 3, 7, 7, 9, 9, 7, 1, 7, 7, 1, 7, 7, 9, 3, 7, 1, 9, 3, 9, 1, 3, 7, 9, 9, 1, 9, 9, 9, 7, 3, 9, 1, 7, 7, 1, 7, 3, 1, 1, 9, 7, 3, 3, 9, 9 (list; graph; listen)
OFFSET

0,2

LINKS

Index entries for sequences related to final digits of numbers

MATHEMATICA

Do[p = Product[Prime[m], {m, 1, n}]; While[Mod[p, 10] == 0, p = p/10]; Print[Mod[p, 10]], {n, 0, 100}]

CROSSREFS

Cf. A008904.

Sequence in context: A104290 A152549 A136759 this_sequence A059433 A021042 A136694

Adjacent sequences: A056126 A056127 A056128 this_sequence A056130 A056131 A056132

KEYWORD

easy,nonn,base

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Jul 28 2000

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


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