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 A068856 First of three consecutive Ulam numbers (A002858) in arithmetic progression with difference 22. 1
 905, 1208, 2134, 3109, 8294, 12482, 12917, 15744, 16047, 16543, 19353, 19871, 19893, 19915, 19937, 20499, 29073, 37239, 37261, 37283, 38534, 39333, 39355, 40931, 40953, 43328, 49031, 59230, 64823, 67005, 67027, 71628, 71650, 72234, 81326, 82213, 82406, 82428 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Numbers k such that A002858(k+2)-A002858(k+1) = A002858(k+1)-A002858(k) = 22. Sequence gives A002858(k). A002858(1587+k) = 19871 + 22*k (0<=k<=5). !! LINKS Amiram Eldar, Table of n, a(n) for n = 1..10000 CROSSREFS Cf. A002858. Sequence in context: A218158 A249706 A098237 * A235949 A330284 A330303 Adjacent sequences:  A068853 A068854 A068855 * A068857 A068858 A068859 KEYWORD nonn AUTHOR Naohiro Nomoto, Mar 29 2002 EXTENSIONS More terms from Larry Reeves (larryr(AT)acm.org), Oct 10 2003 More terms from Amiram Eldar, Aug 23 2020 STATUS approved

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Last modified January 20 06:36 EST 2022. Contains 350467 sequences. (Running on oeis4.)