id:A062690 - OEIS Search Results

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Smallest triangular number that contains the string n in its exact center.

+0
3

0, 1, 120, 3, 741, 153, 6, 171, 780, 190, 10, 111156, 1128, 131328, 2145, 15, 3160, 1176, 4186, 101926, 152076, 21, 1225, 102378, 3240, 5253, 7260, 1275, 28, 232903, 113050, 9316, 1326, 133386, 2346, 5356, 36, 1378, 7381, 133903, 3403, 2415 (list; graph; listen)

	OFFSET	`0,3`
	EXAMPLE	`a[13]=131328 is the smallest triangular number that contains the digit string 13 in its exact center.`
	CROSSREFS	`Sequence in context: A090217 A062829 A163598 this_sequence A127148 A051727 A056466` `Adjacent sequences: A062687 A062688 A062689 this_sequence A062691 A062692 A062693`
	KEYWORD	`easy,nonn`
	AUTHOR	`Erich Friedman (efriedma(AT)stetson.edu), Jul 04 2001`
	EXTENSIONS	`Corrected by Harvey P. Dale (hpd1(AT)nyu.edu), Jul 20 2001`

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

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