factordb · sequences

Sequence

Start with

Show

whole sequence last 20 terms last term range to

Terminates

Aliquot of 266 length 9 The sequence reaches 1. ↓ .elf file

Show sequence-development graph

Term size (digits) across the sequence — How the sequence develops - decimal digits of each term vs iteration.

n	Status	Digits	Term	Factorization
0	Fully factored	3	266	2×7×19
↳	Drops below start Descends to 214 and continues as that sequence.
1	Fully factored	3	214	2×107
↳	Drops below start Descends to 110 and continues as that sequence.
2	Fully factored	3	110	2×5×11
↳	Merges Joins the aliquot sequence of 80 (at index 1 of that sequence) - the terms below continue there.
3	Fully factored	3	106	2×53
↳	Drops below start Descends to 56 and continues as that sequence.
4	Fully factored	2	56	2³×7
↳	Merges Joins the aliquot sequence of 48 (at index 2 of that sequence) - the terms below continue there.
5	Fully factored	2	64	2⁶
6	Fully factored	2	63	3²×7
↳	Drops below start Descends to 41 and continues as that sequence.
7	Fully factored	2	41	41
8	unit	1	1	-
9	terminus	1	0	-
↳	Terminates The sequence reaches 1 and terminates.

From the command linefdb · curl

fdb

fdb seq view '266' --type 1 --part last20

curl

curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"sequence_view","params":{"start":{"expr":"266"},"type":1,"part":"last20","fr":0}}'