id:A104611 - OEIS Search Results

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Write the natural numbers in base 7 in a triangle with k digits in the k-th row, as shown below. Sequence gives the leading diagonal.

+0
16

1, 3, 6, 1, 1, 2, 3, 0, 3, 4, 1, 0, 1, 4, 2, 1, 6, 5, 1, 4, 4, 2, 5, 6, 2, 2, 4, 3, 2, 5, 3, 5, 2, 4, 4, 2, 5, 6, 5, 5, 4, 4, 6, 0, 2, 1, 3, 1, 1, 3, 1, 2, 2, 1, 1, 1, 1, 5, 4, 4, 4, 1, 1, 3, 1, 2, 6, 0, 2, 2, 3, 0, 2, 1, 2, 2, 2, 2, 0, 6, 2, 2, 5, 6, 4, 3, 6, 0, 3, 6, 2, 2, 2, 3, 0, 3, 3, 5, 6, 6, 2, 4, 3, 1, 4 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`1` `23` `456` `1011` `12131` `415162...`
	MATHEMATICA	`t = Flatten[ IntegerDigits[ Range[1500], 7]]; t[[Table[n(n + 1)/2, {n, 105}]]]`
	CROSSREFS	`Cf. A104606, A104607, A104608, A104609, A104610, A104612, A104613, A091425, A104614, A104615, A104616, A104617, A104618, A104619, A104620.` `Sequence in context: A034004 A016660 A008953 this_sequence A076790 A095693 A032660` `Adjacent sequences: A104608 A104609 A104610 this_sequence A104612 A104613 A104614`
	KEYWORD	`base,nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Mar 16 2005`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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