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(33s) OEIS A7612: A(N-1)+Digital Root of A(N-1)
08-17-2022, 06:33 PM
Post: #2
Didier Lachieze Offline
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RE: (33s) OEIS A7612: A(N-1)+Digital Root of A(N-1)
Code:
10.    27*IDIV(N:6)+P-FP(P)*9

Nice formula!

You can combine steps 4 and 7, and save a few steps:

Code:
1.    LBL C
2.    STO N
3.    CLx
4.    2^(RMDR(N:6)-1)
5.    STO P
6.    CLx
7.    27*IDIV(N:6)+P-FP(P)*9
8.    RTN
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RE: (33s) OEIS A7612: A(N-1)+Digital Root of A(N-1) - Didier Lachieze - 08-17-2022 06:33 PM



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