References to pyramid
2 seqfan posts
Thu Jul 29 00:50:15 CEST 2010 [seqfan] "Start a sequence at the earliest reasonable point, but no earlier."
Fri Feb 20 20:00:42 CET 2009 [seqfan] Walk like an Egyptian
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
pyramid
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