[seqfan] Riffs and Rotes • Happy New Year 2021

[Jon Awbrey]

Riffs and Rotes • Happy New Year 2021
http://inquiryintoinquiry.com/2021/01/03/riffs-and-rotes-happy-new-year-2021/

2021 = 43 × 47 = p_14 × p_15 = p_{p_1 p_4} × p_{p_2 p_3} = et sic deinceps ...

Riff 2021 : https://oeis.org/wiki/File:Riff_2021_Big_2.0.jpg

Rote 2021 : https://oeis.org/wiki/File:Rote_2021_Big_2.0.jpg

Reference : Riffs and Rotes ( https://oeis.org/wiki/Riffs_and_Rotes )

Happy New Year !!!

Jon