# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a209835 Showing 1-1 of 1 %I A209835 #17 Aug 16 2022 16:01:37 %S A209835 1,0,0,1,0,0,6,0,4,1,9,3,1,9,6,6,0,1,12,15,16,0,15,0,15,15,0,16,4,21, %T A209835 1,24,21,6,24,18,12,3,30,15,19,15,27,21,15,6,27,15,0,36,16,10,27,12,0, %U A209835 9,10,7,24,15,36,21,40,37,25,16,10,9,42,21,6,34,0,30,49,34,22,13,36,30,0 %N A209835 Smallest k >= 0 such that 2k + (n-th average of twin prime pairs) is oblong number. %C A209835 Averages of twin prime pairs of the form n(n+1): 6, 12, 30, 42, 72, 240, 420, 462, 600, 1482, 1722, 2550, 2970, 3540, 4422, 8010, 10302, 17292, 19182, 20022, 23562, 24180, 27060, 31152... , multiples of 6 as stated in A002822. %Y A209835 Cf. A002378, A014574. %K A209835 nonn %O A209835 1,7 %A A209835 _Gerasimov Sergey_, Mar 14 2012 %E A209835 Corrected by _R. J. Mathar_, Mar 15 2012 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE