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 A094360 Pair reversal of Jacobsthal-Lucas numbers. 1
 1, 2, 7, 5, 31, 17, 127, 65, 511, 257, 2047, 1025, 8191, 4097, 32767, 16385, 131071, 65537, 524287, 262145, 2097151, 1048577, 8388607, 4194305, 33554431, 16777217, 134217727, 67108865, 536870911, 268435457, 2147483647, 1073741825 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Pair reversal of A014551 LINKS Table of n, a(n) for n=0..31. Index entries for linear recurrences with constant coefficients, signature (-1,4,4). FORMULA G.f. : (1+3x+5x^2)/((1+x)(1-4x^2)); a(n)=2^n(5+3(-1)^n)/4-(-1)^n. MATHEMATICA LinearRecurrence[{-1, 4, 4}, {1, 2, 7}, 40] (* Harvey P. Dale, May 22 2020 *) CROSSREFS Cf. A084183, A094359. Sequence in context: A180510 A152555 A343780 * A335594 A051757 A193746 Adjacent sequences: A094357 A094358 A094359 * A094361 A094362 A094363 KEYWORD easy,nonn AUTHOR Paul Barry, Apr 26 2004 STATUS approved

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Last modified September 18 06:38 EDT 2024. Contains 375996 sequences. (Running on oeis4.)