id:A091425 - OEIS Search Results

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Write the natural numbers 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, 2, 5, 1, 2, 7, 2, 3, 4, 0, 7, 6, 7, 1, 0, 1, 6, 3, 1, 8, 6, 1, 3, 2, 1, 1, 1, 2, 2, 3, 2, 6, 8, 2, 3, 6, 3, 3, 7, 3, 6, 1, 3, 2, 8, 4, 1, 8, 4, 3, 1, 5, 8, 7, 6, 6, 6, 6, 7, 8, 7, 1, 3, 7, 8, 1, 8, 8, 2, 9, 1, 6, 1, 0, 7, 6, 8, 7, 1, 1, 1, 1, 2, 3, 5, 8, 3, 1, 1, 3, 3, 1, 4, 5, 4, 1, 1, 5, 0, 1, 4, 8 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`1` `23` `456` `7891` `01112` `131415` `1617181...`
	MATHEMATICA	`t = Flatten[IntegerDigits /@ Range[5565]]; t[[ Table[n(n + 1)/2, {n, 105}]]] (from Robert G. Wilson v Feb 24 2005)`
	CROSSREFS	`Cf. A104606, A104607, A104608, A104609, A104610, A104611, A104612, A104613, A104614, A104615, A104616, A104617, A104618, A104619, A104620.` `Sequence in context: A095693 A032660 A102257 this_sequence A113648 A104612 A088392` `Adjacent sequences: A091422 A091423 A091424 this_sequence A091426 A091427 A091428`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`J. Taylor (integersfan(AT)yahoo.com), Mar 02 2004`

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.

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