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Least k such that A050416(k) = n.
1

%I #8 Aug 16 2021 03:04:11

%S 1,3,4,8,5,57,11,6,13,48,66,15,7,81,54,17,9,69,61,56,10,36,45,71,63,

%T 58,20,12,38,47,91,59,160,65,251,22,14,130,40,49,93,85,80,162,67,53,

%U 253,24,16,33,132,42,116,223,95,68,82,60,164

%N Least k such that A050416(k) = n.

%Y Cf. A050416.

%K nonn

%O 1,2

%A _Clark Kimberling_

%E a(50) corrected by _Sean A. Irvine_, Aug 15 2021