VOOZH about

URL: https://oeis.org/A041012

⇱ A041012 - OEIS

login
A041012
Concatenate the next a(n) integers to get the n+1 term.
0
1, 2, 34, 35363738394041424344454647484950515253545556575859606162636465666768
OFFSET
0,2
FORMULA
a(n+1) = (a(n)+1).(a(n)+2). ... .(a(n)+a(n))
MATHEMATICA
NestList[FromDigits[Flatten[IntegerDigits/@Range[#+1, 2#]]]&, 1, 3] (* Harvey P. Dale, Aug 13 2022 *)
CROSSREFS
Sequence in context: A045529 A293245 A077747 * A291162 A042459 A276713
KEYWORD
base,easy,nonn
AUTHOR
STATUS
approved