User:Gerhard Kirchner

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