Twenty-step algorithm for determining the asymptotic number of trees ...

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Ann Arbor, Michigan 48109. Athens, Georgia 30602. U.S.A.. U.S.A.. Department of Mathematics. Western Michigan University. Kalamazoo, Michigan 49008.
/. Austral. Math. Soc. (Series A) 41 (1986), 325

TWENTY-STEP ALGORITHM FOR DETERMINING THE ASYMPTOTIC NUMBER OF TREES OF VARIOUS SPECIES: CORRIGENDA FRANK HARARY, ROBERT W. ROBINSON and ALLEN J. SCHWENK

(Received 22 June 1985)

1980 Mathematics subject classification (Amer. Math. Soc): 05 C 05.

John W. Moon has discovered several computational errors in our article above (J. Austral. Math. Soc. (Series A) 20 (1975), 483-503). The five constants reported for identity trees below Table 1 at the bottom of page 502 are all wrong. The correct values are ju = 0.397 213 0965 ... Z>! = 2.039129 457...

^ r ( - ) 1 / 2 = 0.362 536 424... a 3 = 2.826 266 69... ^r( —1 4 \

IT

=0.299 388 288...

Department of Mathematics University of Michigan Ann Arbor, Michigan 48109 U.S.A.

Department of Computer Science University of Georgia Athens, Georgia 30602 U.S.A.

Department of Mathematics Western Michigan University Kalamazoo, Michigan 49008 U.S.A. 1

1986 Australian Mathematical Society 0263-6115/86 SA2.00 + 0.00 325

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