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The author field of an OEIS sequence entry is for the name of the person who first submitted the sequence to the OEIS, and the date the sequence was submitted. It is not for the name of original author of the sequence, nor the person who first discovered the sequence (in the case of core sequences like the prime numbers or the Fibonacci numbers, such information may be lost to the mists of time).
For example, A182369, decimal expansion of , also known as Jenny's constant. The author field for that entry reads thus:
Eric W. Weisstein, Apr 26 2012
Eric Weisstein is the one who submitted the sequence to the OEIS, and so he's listed as the author, even though even though in a more general sense, the author could be said to be Randall Munroe (author of the XKCD "cartoon") or even Tommy Tutone's songwriter.