factordb · sequences

Sequence

Start with

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whole sequence last 20 terms last term range to

Terminates

Mid-divisor concatenation · Base 16 of 60 length 8 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	60	2²×3×5
1	Fully factored	3	106	2×53
2	Fully factored	3	565	5×113
3	Fully factored	4	1393	7×199
4	Fully factored	4	1991	11×181
5	Fully factored	4	2997	3⁴×37
6	Fully factored	4	9553	41×233
7	Fully factored	5	10729	10729
↳	Terminates The sequence reaches a prime and terminates.

From the command linefdb · curl

fdb

fdb seq view '60' --type 144 --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":"60"},"type":144,"part":"last20","fr":0}}'