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 A050031 a(n) = a(n-1)+a(m), where m=2n-2-2^(p+1) and 2^p= 4. 11
 1, 1, 2, 3, 6, 7, 10, 17, 34, 35, 38, 45, 62, 97, 142, 239, 478, 479, 482, 489, 506, 541, 586, 683, 922, 1401, 1890, 2431, 3114, 4515, 6946, 11461, 22922, 22923, 22926, 22933, 22950, 22985, 23030, 23127, 23366, 23845, 24334 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Ivan Neretin, Table of n, a(n) for n = 1..8193 MATHEMATICA Fold[Append[#1, #1[[-1]] + #1[[#2]]] &, {1, 1, 2}, Flatten@Table[2 k, {n, 5}, {k, 2^n}]] (* Ivan Neretin, Sep 06 2015 *) CROSSREFS Cf. A050027, A050035, A050039, A050043, A050047, A050051, A050055, A050059, A050063, A050067, A050071 (similar, but with different initial conditions). Sequence in context: A058632 A086583 A107852 * A003421 A253239 A226384 Adjacent sequences:  A050028 A050029 A050030 * A050032 A050033 A050034 KEYWORD nonn AUTHOR STATUS approved

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Last modified May 25 15:44 EDT 2019. Contains 323572 sequences. (Running on oeis4.)