Search: id:A103266 Results 1-1 of 1 results found. %I A103266 %S A103266 1,2,3,2,2,2,3,2,4,2,1,2,2,2,3,2,3,2,3,2,4,2,3,2,2,2,3,2,3,2,3,2,4,2,3, %T A103266 2,2,2,3,2,3,2,3,2,4,2,3,2,3,2,3,2,3,2,3,2,4,2,3,2,2,2,3,2,3,2,3,2,4,2, %U A103266 3,2,2,2,3,2,3,2,3,2,4,2,4,2,2,2,3,2,3,2,3,2,4,2,3,2,2,2,3,2,3,2,3,2,4 %N A103266 Minimal number of squares needed to sum to Fibonacci(n+1). %C A103266 Since every positive integer is the sum of four squares, no term is greater than 4. Also, since any positive integer not of the form 4^k(8m+7) is the sum 3 or fewer squares, the next occurrences of a(n)=4 are at n = 45, 57, 69, 81, 83, 93,.... - John W. Layman (layman(AT)math.vt.edu), Mar 30 2005 %D A103266 Hardy and Wright, An Introduction to the Theory of Numbers, Fourth Ed., Oxford, Section 20.10. %F A103266 a(n) = A002828(A000045(n+1)). %e A103266 Fibonacci(10+1) = 89 = 25+64, so a(10)=2. %Y A103266 Cf. A000045, A002828. %Y A103266 Sequence in context: A078832 A086410 A147561 this_sequence A072814 A145390 A128049 %Y A103266 Adjacent sequences: A103263 A103264 A103265 this_sequence A103267 A103268 A103269 %K A103266 nonn %O A103266 1,2 %A A103266 Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Mar 20 2005 %E A103266 Corrected and extended by John W. Layman (layman(AT)math.vt.edu), Mar 30 2005 %E A103266 Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), May 16 2005 Search completed in 0.001 seconds