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Search: id:A033844
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| 2, 3, 7, 19, 53, 131, 311, 719, 1619, 3671, 8161, 17863, 38873, 84017, 180503, 386093, 821641, 1742537, 3681131, 7754077, 16290047, 34136029, 71378569, 148948139, 310248241, 645155197, 1339484197, 2777105129, 5750079047, 11891268401, 24563311309, 50685770167, 104484802057, 215187847711
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OFFSET
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0,1
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COMMENT
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a(n) is the smallest number m such that pi(m)=d(m)^n, where d(m) is number of positive divisors of m (the proof is easy). - Farideh Firoozbakht (mymontain(AT)yahoo.com), Jun 06 2005
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LINKS
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Zak Seidov, Table of n, a(n) for n = 0..42.
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MATHEMATICA
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Table[Prime[2^n, {n, 0, 32}]
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CROSSREFS
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Cf. A000040, A018249, A051438, A051440, A051439, A006988.
Cf. A107655.
Sequence in context: A152609 A091410 A122724 this_sequence A037028 A052919 A005807
Adjacent sequences: A033841 A033842 A033843 this_sequence A033845 A033846 A033847
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KEYWORD
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nonn
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AUTHOR
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Vasiliy Danilov (danilovv(AT)usa.net) Jun 15 1998
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 09 2000
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