(38G) OEIS A2516: A(A(N))=2*N

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(38G) OEIS A2516: A(A(N))=2*N

08-02-2017, 01:05 PM (This post was last modified: 09-13-2017 12:21 PM by Gerald H.)

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Gerald H Offline

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(38G) OEIS A2516: A(A(N))=2*N

A programme to enter symbolics in the Sequence App to reproduce the sequence

https://oeis.org/A002516

Code:

A002516

RECURSE(U,IFTE(N MOD 2==0,2*U1(N/2),IFTE(N MOD 4==1,N+2,2*(N-2))),3,6)►U1(N):

CHECK 1:

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(38G) OEIS A2516: A(A(N))=2*N - Gerald H - 08-02-2017 01:05 PM

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