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 A062294 A B_2 sequence: a(n) is the smallest prime such that the pairwise sums of distinct elements are all distinct. 3
 2, 3, 5, 7, 11, 17, 29, 47, 67, 83, 131, 163, 233, 307, 397, 443, 617, 727, 809, 941, 1063, 1217, 1399, 1487, 1579, 1931, 2029, 2137, 2237, 2659, 2777, 3187, 3659, 3917, 4549, 4877, 5197, 5471, 5981, 6733, 7207, 7349, 8039, 8291, 8543, 9283, 9689, 10037 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Klaus Brockhaus, Table of n, a(n) for n = 1..3600 Eric Weisstein's World of Mathematics, B2-Sequence Index entries for B_2 sequences PROG (Python) from itertools import islice from sympy import nextprime def A062294_gen(): # generator of terms aset2, alist, k = set(), [], 0 while (k:=nextprime(k)): bset2 = set() for a in alist: if (b:=a+k) in aset2: break bset2.add(b) else: yield k alist.append(k) aset2.update(bset2) A062294_list = list(islice(A062294_gen(), 30)) # Chai Wah Wu, Sep 11 2023 CROSSREFS Cf. A011185, A010672, A025582, A005282, A061781, A061784, A062292, A079848, A133096. Sequence in context: A113192 A077673 A071255 * A245879 A113016 A085136 Adjacent sequences: A062291 A062292 A062293 * A062295 A062296 A062297 KEYWORD nonn,changed AUTHOR Labos Elemer, Jul 02 2001 EXTENSIONS Edited, corrected and extended by Klaus Brockhaus, Sep 17 2007 STATUS approved

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Last modified September 25 05:35 EDT 2023. Contains 365582 sequences. (Running on oeis4.)