Believe oyse may have hit a nail on the head by going an extra step.

Bear witness,

• A certain Abbot posts a meditation on spreading memes.
• Another monk reads the mediation and (despite knowing full-well that the topic will probably be over his head) promptly searchs and then reads about Stirling numbers (of both the first and second kind)...
  and
• posts an additional mediation about the impact of prior replies to the first, thereby prolonging the chain, thus extending (.o0 ??) the impact of the OP.
• Who knows? Stirling numbers may soon become a core part of the new, "New Math" curriculum in our primary schools.

Is there any recursion here?   :-)

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