A362440 Aliqout sequence starting at 841.

841, 30, 42, 54, 66, 78, 90, 144, 259, 45, 33, 15, 9, 4, 3, 1, 0

Offset

1,1

Comments

This is 841 followed by A008885. Could be further extended backwards, see A070015.

References

GCHQ, The GCHQ Puzzle Book, Penguin, 2016. See page 92.

Links

Table of n, a(n) for n=1..17.

Mathematica

NestWhileList[DivisorSigma[1, #]-#&, 841, #>0&] (* Paolo Xausa, Oct 16 2023 *)

Crossrefs

Cf. A001065, A008885, A070015.

Sequence in context: A269894 A252780 A364264 * A159690 A210470 A108324

Adjacent sequences: A362437 A362438 A362439 * A362441 A362442 A362443

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Apr 22 2023

Status

approved