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A095842 Prime powers having no partition into two prime powers. +0
3
1, 149, 331, 373, 509, 701, 757, 809, 877, 907, 997, 1019, 1087, 1259, 1549, 1597, 1619, 1657, 1759, 1777, 1783, 1867, 1973, 2293, 2377, 2503, 2579, 2683, 2789, 2843, 2879, 2909, 2999, 3119, 3163, 3181, 3187, 3299, 3343, 3433, 3539, 3643 (list; graph; listen)
OFFSET

1,2

COMMENT

A095840(A095874(a(n))) = 0.

CROSSREFS

Cf. A000961, A095841, A071331.

Sequence in context: A131573 A146137 A071331 this_sequence A142359 A112859 A141980

Adjacent sequences: A095839 A095840 A095841 this_sequence A095843 A095844 A095845

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 10 2004

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Last modified December 16 13:01 EST 2009. Contains 170825 sequences.


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