The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A274326 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A274326

Number of distinct irregular n-gon flexagons.
(history; published version)

#8 by N. J. A. Sloane at Sat Jun 18 11:15:22 EDT 2016

STATUS

editing

approved

#7 by N. J. A. Sloane at Sat Jun 18 11:15:03 EDT 2016

NAME

Number of distinct irregular n-gon flexagons.

REFERENCES

Les Pook, Flexagons inside out, Cambridge University Press, 2003, p. 84.

CROSSREFS

Cf. A001683.

KEYWORD

nonn,hard,changed,more

STATUS

proposed

editing

Discussion

Sat Jun 18

11:15

N. J. A. Sloane: added several missing periods, added "more"

#6 by Christian Schroeder at Sat Jun 18 09:32:41 EDT 2016

STATUS

editing

proposed

#5 by Christian Schroeder at Sat Jun 18 09:31:57 EDT 2016

EXAMPLE

a(6) = 11 , because there are 11 distinct irregular hexaflexagons.

STATUS

proposed

editing

#4 by Christian Schroeder at Sat Jun 18 09:05:11 EDT 2016

STATUS

editing

proposed

Discussion

Sat Jun 18

09:30

Michel Marcus: Can you add some puctuation

#3 by Christian Schroeder at Sat Jun 18 09:04:46 EDT 2016

NAME

Number of distinct irregular (n+2)-gon flexagons

#2 by Christian Schroeder at Sat Jun 18 09:04:15 EDT 2016

NAME

allocated for Christian SchroederNumber of distinct irregular (n+2)-gon flexagons

DATA

0, 0, 1, 2, 11, 40

OFFSET

2,4

REFERENCES

Les Pook, Flexagons inside out, Cambridge University Press, 2003, p. 84

EXAMPLE

a(6) = 11 because there are 11 distinct irregular hexaflexagons.

CROSSREFS

Cf. A001683

KEYWORD

allocated

nonn,hard

AUTHOR

Christian Schroeder, Jun 18 2016

STATUS

approved

editing

#1 by Christian Schroeder at Sat Jun 18 09:04:15 EDT 2016

NAME

allocated for Christian Schroeder

KEYWORD

allocated

STATUS

approved