Embarrassment avoided!
I got in a bit of a mess with OEIS, back in 2017. I'd found some
results not listed about tilings of "equal-angled"
convex octagons with unit-sided rhombi. Sloane seemed interested in
putting them in a new sequence. But he
gave up on me:
"This has taken up enough of the editors' time. Will recycle it."
maybe because I couldn't find or invent a suitable linear ordering of
the octagons. The Euler Project Problem, 594,
had asked for tilings of Oab where the sides were abababab, but my
results were more general, for Oabcdabcd,
1<= a,b,c,d . My last listing offered was for sides <4: 1111 1112 1113
1121 1122 1123 1211 1212 .... 3332 3333.
That baby would have been A284467;(
I did get one sequence listed, A212591, back in 2012, based on work
solving Euler Project Problem 384.
Cheers,
Mike
On 07/11/2020 11:56, Raul Miller wrote:
Diagonal sums are indeed the issue I overlooked.
Thanks!
#(#~ 15 = 2 {"1 +//.@|."2) (#~ 15 = 2 {"1 +//."2) mso3
8
Thanks again,
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