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 A190999 a(n) = 2^(n^2)*(2^(2*n+1) - 1). 1
 1, 14, 496, 65024, 33488896, 68685922304, 562881233944576, 18446181123756130304, 2417833192485184639860736, 1267648182376590172238353793024, 2658454723919231517578212623857483776, 22300742540074631571703972465034240945291264 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS First differences of A002416. LINKS Muniru A Asiru, Table of n, a(n) for n = 0..49 MAPLE a:= n-> (f-> f(n+1)-f(n))(j->2^(j^2)): seq(a(n), n=0..12);  # Alois P. Heinz, Jan 31 2019 MATHEMATICA A002416 = Table[2^(n^2), {n, 0, 20}]; GetDiff[seq_List] := Drop[seq, 1] - Drop[seq, -1]; A190999 = GetDiff[A002416] PROG (PARI) a(n) = 2^(n^2)*(2^(2*n+1) - 1) \\ Georg Fischer, Jan 31 2019 (Sage) [2^(n^2)*(2^(2*n+1) - 1) for n in (0..20)] # Georg Fischer, Jan 31 2019 CROSSREFS Cf. A002416. Sequence in context: A251867 A240411 A024299 * A320288 A344114 A233014 Adjacent sequences:  A190996 A190997 A190998 * A191000 A191001 A191002 KEYWORD nonn,easy AUTHOR Vladimir Joseph Stephan Orlovsky, Jun 18 2011 EXTENSIONS Entry revised by N. J. A. Sloane, Dec 08 2018, with new offset. Programs and offset in b-file modified by Georg Fischer, Jan 31 2019. STATUS approved

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Last modified August 2 05:02 EDT 2021. Contains 346409 sequences. (Running on oeis4.)