%I #26 Jan 14 2023 03:10:51
%S 2,3,2,1,3,4,1,8,9,5,64,2,317,79,17,2049,7653,26628,9,24001,232920,
%T 1145407,3498690007594650042369,2058538,59,27,28,60,9272781,4,
%U 69273669,4870848,2387010102192469724605148123694256129,2,2,-52,44,1,-4695,174,44584,111111111111111111111111111111111111111112,30402458,668803782,1134903171,382443020333
%N a(n) = 1 + A_n(n), or a(n) = -1 if sequence A_n is not defined up to index n.
%C What is a(107357)?
%C See A051070, A091967, A102288 for more about this type of sequence.
%H N. J. A. Sloane, <a href="https://arxiv.org/abs/2301.03149">"A Handbook of Integer Sequences" Fifty Years Later</a>, arXiv:2301.03149 [math.NT], 2023, p. 21.
%H <a href="/index/Se#selfies">Index entries for sequences whose definition involves A_n (or An)</a>.
%Y a(n) = A051070(n) + 1 (except when A_n has fewer than n terms). See also A091967 and A102288 (the same but ignoring the offset).
%K sign
%O 1,1
%A _N. J. A. Sloane_, May 25 2005
%E Definition revised by _N. J. A. Sloane_, Nov 27 2016
%E Definition rephrased by _M. F. Hasler_, Jan 20 2017
%E Corrected a(36) and a(42), extended to a(46) by _M. F. Hasler_, Jan 21 2017