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A333036 Number of edges in an equal-armed cross with arms of length n (see Comments in A331456 for definition). 5
8, 172, 964, 3316, 8524, 18188, 34540, 59908, 97324, 150028, 221692, 316124, 438364, 592364, 784060, 1019468, 1304996, 1644900, 2047412, 2519172, 3068556, 3704004, 4434044, 5265868, 6211652, 7276492, 8474484, 9813996, 11304292, 12958380, 14791124, 16810732 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
COMMENTS
See the links in A331456 for images of the crosses.
LINKS
CROSSREFS
Cf. A331456 (regions), A333035 (vertices), A333037 (n-gons), A274586 , A332600, A331765.
Sequence in context: A300805 A317566 A301444 * A247729 A333460 A221060
KEYWORD
nonn
AUTHOR
EXTENSIONS
a(11) and beyond from Lars Blomberg, May 30 2020
STATUS
approved

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Last modified March 19 04:58 EDT 2024. Contains 370952 sequences. (Running on oeis4.)