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A335553
a(n) is the number of regions formed by n-secting the angles of a pentagon.
4
1, 10, 11, 60, 131, 90, 276, 310, 326, 510, 706, 580, 981, 1070, 1086, 1390, 1721, 1320, 2136, 2250, 2311, 2730, 3176, 2900, 3746, 3900, 3956, 4530, 5086, 4690, 5821, 5980, 6061, 6760, 7451, 6720, 8286, 8540, 8621, 9420, 10266, 9700, 11241, 11510, 11616, 12560
OFFSET
1,2
LINKS
Lars Blomberg, Illustration for n=3
Lars Blomberg, Illustration for n=4
Lars Blomberg, Illustration for n=17
Lars Blomberg, Illustration for n=18
CROSSREFS
Cf. A331929 (n-sected sides, not angles), A335554 (vertices), A335555 (edges), A335556 (ngons).
Sequence in context: A042413 A041212 A257313 * A122602 A037958 A041214
KEYWORD
nonn
AUTHOR
Lars Blomberg, Jun 14 2020
STATUS
approved