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A104458
Define the first two terms to be 2 and 3. All the other terms are obtained by concatenating the two previous terms.
1
2, 3, 23, 323, 23323, 32323323, 2332332323323, 323233232332332323323, 2332332323323323233232332332323323, 3232332323323323233232332332323323323233232332332323323, 23323323233233232332323323323233233232332323323323233232332332323323323233232332332323323
OFFSET
1,1
EXAMPLE
The third term is obtained by concatenating the previous two terms 2 and 3 to get 23.
MATHEMATICA
nxt[{a_, b_}]:={b, FromDigits[Join[IntegerDigits[a], IntegerDigits[b]]]}; NestList[nxt, {2, 3}, 10][[All, 1]] (* Harvey P. Dale, Jul 23 2018 *)
CROSSREFS
Sequence in context: A157733 A235934 A064888 * A191859 A289550 A154553
KEYWORD
easy,nonn,base
AUTHOR
Parthasarathy Nambi, Apr 21 2005
EXTENSIONS
More terms from Harvey P. Dale, Jul 23 2018
STATUS
approved