[seqfan] Dumb idea: Number of permanent keywords of OEIS sequence A_n

Felix Fröhlich felix.froe at gmail.com
Thu Apr 12 16:24:50 CEST 2018


Dear SeqFans,

here is an idea for a sequence that should most likely not be in the OEIS:

Number of permanent keywords of OEIS sequence A_n.

"Permanent" here means the sequence does not count keywords like "changed",
that are only applied temporarily. The sequence (with offset 1) starts

4, 4, 3, 4, 6, 3, 5, 3, 4, 6, 3, 7, 3, 4, 2, 3, 1, 1, 3, 1

This is mostly meant to be a humorous suggestion. I don't know whether this
would be acceptable as a "dumb" sequence or not, but anyway, I do not
really seriously consider submitting this. It falls into the same category
as other sequences related to A-numbers, and I recall Neil said somewhere
there are already more than enough such sequences in the OEIS.

Best regards
Felix



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