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A024092
a(n) = 8^n - n^4.
2
1, 7, 48, 431, 3840, 32143, 260848, 2094751, 16773120, 134211167, 1073731824, 8589919951, 68719456000, 549755785327, 4398046472688, 35184372038207, 281474976645120, 2251799813601727, 18014398509377008
OFFSET
0,2
LINKS
PROG
(Magma) [8^n-n^4: n in [0..20]]; // Vincenzo Librandi, Jul 05 2011
CROSSREFS
Sequence in context: A186653 A359916 A231378 * A163713 A192897 A317014
KEYWORD
nonn,easy
STATUS
approved