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Search: id:A002381
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| A002381 |
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Numbers of the form (p^2 - 1)/120 where p is 1 or prime.
(Formerly M2614 N1034)
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+0
3
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| 0, 1, 3, 7, 8, 14, 29, 31, 42, 52, 66, 85, 99, 143, 161, 185, 190, 267, 273, 304, 330, 371, 437, 476, 484, 525, 603, 612, 658, 806, 913, 1015, 1074, 1197, 1261, 1340, 1394, 1463, 1477, 1548, 1606, 1680, 1771, 1912, 2009, 2075, 2159, 2262, 2439, 2698, 2717
(list; graph; listen)
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OFFSET
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1,3
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REFERENCES
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H. Gupta, On a conjecture of Chowla, Proc. Indian Acad. Sci., 5A (1937), 381-384.
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PROGRAM
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(PARI) j=[]; for(n=0, 150, x=prime(n)^2-1; if(Mod(x, 120)==0, j=concat(j, (x/120)))); j
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CROSSREFS
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Sequence in context: A127441 A067064 A093722 this_sequence A131559 A051211 A105173
Adjacent sequences: A002378 A002379 A002380 this_sequence A002382 A002383 A002384
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KEYWORD
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nonn
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AUTHOR
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njas
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EXTENSIONS
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More terms from Jason Earls (zevi_35711(AT)yahoo.com), Jul 29 2001
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