A362444 a(1) = 1906; thereafter, regard a(n) as a decimal number, and convert it to base 16 (i.e. hexadecimal).

1906, 772, 304, 130, 82, 52, 34, 22, 16, 10

Offset

1,1

Comments

There could be any number of terms preceding 1906 (e.g. 6406 becomes 1906 in hexadecimal).

The sequence ends at 10, since 10 would becomes A in hexadecimal.

References

GCHQ, The GCHQ Puzzle Book, Penguin, 2016. See pages 105 and 300.

Links

Table of n, a(n) for n=1..10.

Example

The decimal number 1906 becomes 772 in hexadecimal, which is therefore a(2).

Crossrefs

Sequence in context: A112947 A367229 A355891 * A206124 A251463 A184194

Adjacent sequences: A362441 A362442 A362443 * A362445 A362446 A362447

Keyword

nonn,base,fini,full

Author

N. J. A. Sloane, Apr 22 2023

Status

approved