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A331207 Minimum number of matchsticks sufficient to form the edges of exactly n squares of any size >= 1. 2
0, 4, 7, 10, 13, 12, 15, 18, 17, 20, 23, 22, 25, 28, 24, 27, 30, 29, 32, 35, 31, 34, 37, 36, 39, 42, 38, 41, 44, 43, 40, 43, 46, 45 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
Table of n, a(n) for n=0..33.
John King, diagram for A331207 & A331208
CROSSREFS
Cf. A027709, A078633, A331208.
Sequence in context: A020965 A065713 A184850 * A090384 A327422 A260165
Adjacent sequences: A331204 A331205 A331206 * A331208 A331209 A331210
KEYWORD
nonn,more
AUTHOR
John King, Jan 12 2020
STATUS
approved

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Last modified May 18 00:50 EDT 2024. Contains 372608 sequences. (Running on oeis4.)