A081891 - OEIS

This site is supported by donations to The OEIS Foundation.

A081891

A sum of decreasing powers.

1, 4, 14, 64, 830, 14704, 228734, 3136144, 39450110, 468241264, 5338397054, 59140070224, 641540046590, 6850671429424, 72282030453374, 755587489260304, 7840735233590270, 80889167950995184, 830567232465613694 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`Binomial transform of A081690`
	FORMULA	`a(n)=10^n-9^n-8^n-7^n+3*6^n`
	CROSSREFS	`Sequence in context: A154407 A184265 A020041 * A119857 A126787 A129219` `Adjacent sequences: A081888 A081889 A081890 * A081892 A081893 A081894`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 30 2003`

Content is available under The OEIS End-User License Agreement .

Last modified February 16 20:01 EST 2012. Contains 205955 sequences.