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A115248 Values such that A115247(a(n))=1. Values such that A001935(a(n))==2 (mod 4). 2

%I

%S 2,5,9,11,12,14,17,19,24,29,30,32,35,39,42,44,46,50,51,53,54,56,57,65,

%T 71,72,74,75,77,80,82,84,95,96,100,101,104,107,109,110,116,117,119,

%U 122,126,127,128,129,131,137,141,144,149,150,152,154,156,161,162,165,170

%N Values such that A115247(a(n))=1. Values such that A001935(a(n))==2 (mod 4).

%C All values are the sum of a triangular number A000217 and a square A000290.

%H K. Alladi, <a href="http://www.ams.org/tran/1997-349-12/S0002-9947-97-01831-X/S0002-9947-97-01831-X.pdf">Partition Identities Involving Gaps and Weights</a>, Transactions of the American Mathematical Society, Vol. 349, No. 12, Dec 1997, pp. 5001-5019.

%Y Cf. A005123, A115249.

%K nonn

%O 0,1

%A _Christian G. Bower_, Jan 17 2006

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Last modified April 19 18:37 EDT 2019. Contains 322290 sequences. (Running on oeis4.)