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A053017 Let Do(n) = A006566(n) = n-th dodecahedral number. Consider all integer triples (i,j,k), j >= k>0, with Do(i) = Do(j) + Do(k), ordered by increasing i; sequence gives i values. 2

%I #6 Aug 31 2013 19:33:39

%S 179,184,2014,4891,8877,8907,17650,24248,25216,26204,27156,27570,

%T 37555,40052,61195,68747,109707,123114,223139,270776,374392,591939,

%U 604344,670751,836587,892790,1295899,1479632,1664436,1822164,1966614,1981707

%N Let Do(n) = A006566(n) = n-th dodecahedral number. Consider all integer triples (i,j,k), j >= k>0, with Do(i) = Do(j) + Do(k), ordered by increasing i; sequence gives i values.

%C j values are A053018 and k values are A053019

%e Do(179) = 25665020 = 25236484 + 428536 = Do(178) + Do(46); Do(184) = 27880600 = 15086400 + 12794200 =Do(150) + Do(142);

%K nice,nonn

%O 1,1

%A Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Feb 24 2000

%E More terms from _Jon E. Schoenfield_, Aug 13 2007

%E a(27)-a(32) from _Donovan Johnson_, Aug 15 2010

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Last modified August 29 06:09 EDT 2024. Contains 375510 sequences. (Running on oeis4.)