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 A013820 a(n) = 24^(4*n + 1). 1
 24, 7962624, 2641807540224, 876488338465357824, 290797794982682557415424, 96479729228174488169059713024, 32009658644406818986777955348250624, 10620036506406716776157242913621199028224, 3523473231949594865126345424909586928788045824 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..100 Tanya Khovanova, Recursive Sequences Index entries for linear recurrences with constant coefficients, signature (331776). MATHEMATICA NestList[331776#&, 24, 20] (* Harvey P. Dale, Jan 14 2017 *) PROG (MAGMA) [24^(4*n+1): n in [0..10]]; // Vincenzo Librandi, Jul 07 2011 (Maxima) makelist(24^(4*n+1), n, 0, 20); /* Martin Ettl, Oct 21 2012 */ CROSSREFS Sequence in context: A268505 A172734 A159191 * A294326 A255322 A319900 Adjacent sequences:  A013817 A013818 A013819 * A013821 A013822 A013823 KEYWORD nonn,easy AUTHOR STATUS approved

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Last modified January 20 19:43 EST 2019. Contains 319335 sequences. (Running on oeis4.)