Search: id:A022289
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%I A022289
%S A022289 0,16,63,141,250,390,561,763,996,1260,1555,1881,2238,2626,
%T A022289 3045,3495,3976,4488,5031,5605,6210,6846,7513,8211,8940,
%U A022289 9700,10491,11313,12166,13050,13965,14911,15888,16896,17935
%N A022289 n*(31n+1)/2.
%F A022289 a(n)=31*n+a(n-1)-46 (with a(1)=0) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), 
               Nov 14 2009]
%e A022289 For n=2, a(2)=31*2+0-46=16; n=3, a(3)=31*3+16-46=63; n=4, a(4)=31*4+63-46=141 
               [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 14 2009]
%Y A022289 Sequence in context: A007831 A118254 A066391 this_sequence A143860 A100176 
               A060091
%Y A022289 Adjacent sequences: A022286 A022287 A022288 this_sequence A022290 A022291 
               A022292
%K A022289 nonn
%O A022289 0,2
%A A022289 N. J. A. Sloane (njas(AT)research.att.com).

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