A256962 Numbers n such that A005210(n) = A005210(n-1).

2, 90, 98, 5518, 40722, 2487370, 16433978, 20034266

Offset

1,1

Comments

Possibly there are no further terms?

a(9) >= 10^12. - Hiroaki Yamanouchi, Apr 16 2015

References

Popular Computing (Calabasas, CA), Z-Sequences, Vol. 4 (No. 42, Sep 1976), pp. 12-16.

Links

Table of n, a(n) for n=1..8.

Popular Computing (Calabasas, CA), Z-Sequences, continued. Annotated and scanned copy of pages 14, 15, 16, 18 of Vol. 5 (No. 56, Nov 1977).

Crossrefs

Cf. A005210.

Sequence in context: A338734 A309994 A339581 * A266807 A355574 A076532

Adjacent sequences: A256959 A256960 A256961 * A256963 A256964 A256965

Keyword

nonn,more

Author

N. J. A. Sloane, Apr 16 2015

Extensions

a(1) prepended and a(6)-a(8) added by Hiroaki Yamanouchi, Apr 16 2015

Status

approved