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A038391 Bisection of A028289. 0
1, 4, 7, 13, 23, 33, 48, 69, 90, 118, 154, 190, 235, 290, 345, 411, 489, 567, 658, 763, 868, 988, 1124, 1260, 1413, 1584, 1755, 1945, 2155, 2365, 2596, 2849, 3102, 3378, 3678, 3978, 4303, 4654, 5005, 5383 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

B. N. Cyvin et al., Enumeration of conjugated hydrocarbons..., Structural Chem., 6 (1995), 85-88, equation (8).

LINKS

Table of n, a(n) for n=0..39.

CROSSREFS

Sequence in context: A156622 A111314 A139217 * A090854 A039694 A000288

Adjacent sequences:  A038388 A038389 A038390 * A038392 A038393 A038394

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 24 09:20 EDT 2013. Contains 225617 sequences.