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# User:Gerhard Kirchner

From OeisWiki

teacher of mathematics and physics at a German high school (Gymnasium). Status: retired

My contributions to OEIS:

Extension and theory for sequences A160375 and A110713 Formula and proof for sequence A007495 Aspects of prime multiplets in sequence A086140 New sequences A279765 and A280201 Formula and proof for sequence A032434 An application (gear wheels) for A109340 A general recurrence and a special explicit formula for A187243 Formula for sequence A000008 Comment to sequence A002464 Comment to sequence A000212 Formula for sequence A001299 New sequence A283184 (number of symmetric arrangements of non-attacking kings) New application and formula for sequence A101481