Search: id:A006959 Results 1-1 of 1 results found. %I A006959 M4274 %S A006959 1,6,65,1092,25272,749034,27108440,1159194472,57190952440, %T A006959 3197759266112,199831490658912,13802087001056704,1044075809166477232, %U A006959 85847947926743165952,7623428923066363040672,727116625218755662644416 %N A006959 Number of labeled M-type rooted trees on n nodes. %D A006959 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %D A006959 F. Bergeron, G. Labelle and P. Leroux, Th\'{e}orie des esp\`{e}ces et Combinatoire des Structures Arborescentes, Publications du LACIM, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 1994, p. 214. %D A006959 F. Bergeron, G. Labelle and P. Leroux, Combinatorial Species and Tree-Like Structures, Cambridge, 1998, pp. 210, 242 (3.2.68, 3.3.92) %D A006959 G. Labelle, Some new computational methods in the theory of species, pp. 192-209 of "Combinatoire Enumerative (Montreal 1985)", Lect. Notes Math. 1234, 1986. %H A006959 Index entries for sequences related to rooted trees %F A006959 E.g.f. satisfies 2*A(x)=exp(x+A(x))-1-log(1-x)*A(x). %Y A006959 Cf. A052315. %Y A006959 Sequence in context: A141008 A087488 A099343 this_sequence A121017 A137121 A110222 %Y A006959 Adjacent sequences: A006956 A006957 A006958 this_sequence A006960 A006961 A006962 %K A006959 nonn,eigen,nice %O A006959 1,2 %A A006959 Simon Plouffe, N. J. A. Sloane (njas(AT)research.att.com). %E A006959 More terms, formula from Christian G. Bower (bowerc(AT)usa.net), Dec 15 1999. Search completed in 0.001 seconds