A055145 The first n digits of the juxtaposition of the base-4 numbers converted to decimal.

1, 6, 27, 109, 436, 1745, 6981, 27925, 111702, 446809, 1787239, 7148958, 28595832, 114383330, 457533321, 1830133286, 7320533146, 29282132586, 117128530347, 468514121391, 1874056485564, 7496225942259, 29984903769037

Offset

1,2

Links

Table of n, a(n) for n=1..23.

Example

1 (1); 12 (6); 123 (27); 1231 (109); 12310 (436); 123101 (1745); ...

Crossrefs

Cf. A055143-A055150.

Sequence in context: A037695 A318638 A094829 * A037604 A022634 A094788

Adjacent sequences: A055142 A055143 A055144 * A055146 A055147 A055148

Keyword

nonn,base

Author

Patrick De Geest, Apr 15 2000

Status

approved