A066555 a(n) = next substring in concatenation of even numbers with length n (incl. leading zeros).

2, 46, 810, 1214, 16182, 22242, 6283032, 34363840, 424446485, 525456586, 6264666870, 727476788082, 8486889092949, 69810010210410, 610811011211411, 6118120122124126, 12813013213413613, 814014214414614815

Offset

1,1

Links

Table of n, a(n) for n=1..18.

Example

a(1)..a(5) = 246810121416182, a(6) = 022242 (leading zero not shown).

Crossrefs

Cf. A066553.

Sequence in context: A377840 A302949 A174592 * A381362 A290046 A012001

Adjacent sequences: A066552 A066553 A066554 * A066556 A066557 A066558

Keyword

nonn,base,dumb

Author

Amarnath Murthy, Dec 17 2001

Extensions

Edited by Frank Ellermann, Feb 04 2002

Status

approved