A041012 - OEIS

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A041012

Concatenate the next a(n) integers to get the n+1 term.

1, 2, 34, 35363738394041424344454647484950515253545556575859606162636465666768

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OFFSET

0,2

LINKS

Table of n, a(n) for n=0..3.

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

Adjacent sequences: A041009 A041010 A041011 * A041013 A041014 A041015

KEYWORD

base,easy,nonn

AUTHOR

Dann Toliver

STATUS

approved

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