n^n^n

Neil Fernandez primeness at borve.demon.co.uk
Wed Nov 20 23:31:50 CET 2002


In message <A5649EBA-FCD2-11D6-8512-003065438114 at rogers.com>, Hans
Havermann <hahaj at rogers.com> writes
>> %I A002488 M5031 N2171
>> %S A002488 1,16,7625597484987,
>> %T A002488  
>> 13407807929942597099574024998205846127479365820592393377723561443721764 
>> 0300735469768018742981669034276900318\
>>   58186486050853753882811946569946433649006084096
>> %N A002488 n^(n^n).

the more manageable floor(log(log(n^n^n)) goes:

0, 1, 3, 5, 8, 11, 14, 17, 20, 23, 27, 30, 34, 37, 41, 45, 49, 53, 57,
61, 65, 69, 73, 77, 81, 85, 90, 94, 98, 103, 107, 112, 116, 121, 125,
130, 134, 139, 144, 148, 153, 158, 163, 167, 172, 177, 182, 187, 192,
196, 201, 206, 211, 216, 221, 226, 231, 236, 241, 247, 252, 257, 262,
267, 272, 277, 283, 288, 293, 298, 304, 309, 314, 319, 325, 330, 335,
341, 346, 352, 357, 362, 368, 373, 379, 384, 390, 395, 400, 406, 411,
417, 423, 428, 434, 439, 445, 450, 456, 462

Neil
-- 
Neil Fernandez





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