A104610 Write the natural numbers in base 6 in a triangle with k digits in the k-th row, as shown below. Sequence gives the leading diagonal.

1, 3, 1, 1, 4, 1, 2, 3, 1, 0, 1, 1, 1, 1, 1, 3, 1, 1, 0, 2, 2, 4, 2, 3, 2, 3, 3, 0, 4, 4, 5, 5, 5, 5, 1, 1, 0, 3, 1, 2, 3, 2, 1, 1, 2, 4, 3, 5, 4, 4, 1, 1, 5, 3, 2, 5, 3, 1, 2, 2, 2, 0, 4, 1, 0, 5, 2, 3, 0, 1, 3, 0, 1, 3, 3, 3, 4, 0, 4, 1, 0, 1, 4, 4, 3, 3, 2, 5, 3, 0, 5, 5, 2, 4, 2, 0, 4, 5, 4, 0, 1, 1, 1, 4, 1

Offset

1,2

Comments

1

23

451

0111

21314

152021...

Links

Table of n, a(n) for n=1..105.

Mathematica

t = Flatten[ IntegerDigits[ Range[1500], 6]]; t[[Table[n(n + 1)/2, {n, 105}]]]

Crossrefs

Cf. A104606, A104607, A104608, A104609, A104611, A104612, A104613, A091425, A104614, A104615, A104616, A104617, A104618, A104619, A104620.

Sequence in context: A364097 A030184 A284373 * A138684 A132442 A364082

Adjacent sequences: A104607 A104608 A104609 * A104611 A104612 A104613

Keyword

base,nonn

Author

Robert G. Wilson v, Mar 16 2005

Status

approved