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 A023446 n-4. 2
 -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Tanya Khovanova, Recursive Sequences Robert G. Wilson v, American English names for the numbers from 0 to 100999 without spaces or hyphens. Index entries for linear recurrences with constant coefficients, signature (2,-1). FORMULA a(n) = 2 a(n-1) - a(n-2). a(n) = -A022960(n). G.f.: -(4-5*x)/(1-x)^2. - M. F. Hasler, Apr 18 2015 PROG (PARI) a(n)=n-4 CROSSREFS Cf. A256958, A001057, A000027, A001477, A023443, A023444, A023445, A023447, ..., A023482, A022958, ..., A022996. Sequence in context: A239475 A100802 A022960 * A258447 A066440 A182425 Adjacent sequences:  A023443 A023444 A023445 * A023447 A023448 A023449 KEYWORD sign,easy AUTHOR STATUS approved

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Last modified October 20 12:47 EDT 2019. Contains 328257 sequences. (Running on oeis4.)