id:A104609 - OEIS Search Results

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Write the natural numbers in base 5 in a triangle with k digits in the k-th row, as shown below. Sequence gives the leading diagonal.

+0
16

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

	OFFSET	`1,2`
	COMMENT	`1` `23` `410` `1112` `13142` `021222...`
	MATHEMATICA	`t = Flatten[IntegerDigits[Range[1500], 5]]; t[[Table[n(n + 1)/2, {n, 105}]]]`
	CROSSREFS	`Cf. A104606, A104607, A104608, A104610, A104611, A104612, A104613, A091425, A104614, A104615, A104616, A104617, A104618, A104619, A104620.` `Sequence in context: A135991 A102003 A004587 this_sequence A087625 A154574 A013307` `Adjacent sequences: A104606 A104607 A104608 this_sequence A104610 A104611 A104612`
	KEYWORD	`base,nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Mar 16 2005`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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