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A227954 Smallest m such that A070965(m) = -n. 3

%I #7 Jan 25 2022 12:25:10

%S 3,15,78,115,155,310,231,911,619,691,464,863,1294,1616,3240,2235,1240,

%T 2240,3472,3183,4479,2766,4148,9212,6588,4567,2587,2588,4846,6479,

%U 3231,7763,3744,3743,2479,2480,6367,7440,12936,2768,9914,9395,13415,11059,9792

%N Smallest m such that A070965(m) = -n.

%F A070965(a(n)) = -n and A070965(m) <> -n for m < a(n);

%F A070965(A227953(n)) = n.

%o (Haskell)

%o import Data.List (elemIndex); import Data.Maybe (fromJust)

%o a227954 = (+ 1) . fromJust . (`elemIndex` a070965_list) . negate

%Y Cf. A070965, A227953.

%K nonn

%O 0,1

%A _Reinhard Zumkeller_, Aug 01 2013

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Last modified April 18 13:50 EDT 2024. Contains 371780 sequences. (Running on oeis4.)