factordb · sequences

Sequence

Start with

Show

whole sequence last 20 terms last term range to

Terminates

Distinct-prime home prime · Base 3 of 30 length 9 The sequence reaches a prime. ↓ .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	2	30	2×3×5
1	Fully factored	3	194	2×97
2	Fully factored	3	583	11×53
3	Fully factored	3	944	2⁴×59
4	Fully factored	3	221	13×17
5	Fully factored	3	368	2⁴×23
6	Fully factored	2	77	7×11
7	Fully factored	3	200	2³×5²
↳	Merges Joins the sequence of 10 (at index 1 of that sequence) - the terms below continue there.
8	Fully factored	2	23	23
↳	Terminates The sequence reaches a prime and terminates.

From the command linefdb · curl

fdb

fdb seq view '30' --type 126 --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":"30"},"type":126,"part":"last20","fr":0}}'