A055145 - OEIS

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A055145

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

4

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

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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