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Search: id:A020148
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A020148 Pseudoprimes to base 20. +0
1
21, 57, 133, 231, 399, 561, 671, 861, 889, 1281, 1653, 1729, 1891, 2059, 2413, 2501, 2761, 2821, 2947, 3059, 3201, 4047, 5271, 5461, 5473, 5713, 5833, 6601, 6817, 7999, 8421, 8911, 11229, 11557, 11837, 12801, 13051, 13981, 14091, 15251, 15311, 15841 (list; graph; listen)
OFFSET

1,1

LINKS

Index entries for sequences related to pseudoprimes

CROSSREFS

Sequence in context: A044123 A044504 A118057 this_sequence A037305 A051873 A069133

Adjacent sequences: A020145 A020146 A020147 this_sequence A020149 A020150 A020151

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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