1,2

Reinhard Zumkeller, Table of n, a(n) for n = 1..1000

A. C. Zorach, Additive triangle

Haskell programs for sequences in connection with Zorach additive triangle

If a(n) > 0: n = A035312(a(n)-1, A072038(n)-1).

a(8)=6 since 8 appears in the sixth row.

See link for Haskell program.

Cf. A035312, A035311, A035313, A035358, A072038.

Sequence in context: A039640 A053811 A049840 * A204012 A131901 A204000

Adjacent sequences: A072036 A072037 A072038 * A072040 A072041 A072042

nonn

Henry Bottomley, Jun 07 2002

approved