id:A056579 - OEIS Search Results

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1+2n+3n^2+4n^3+5n^4.

+0
10

1, 15, 129, 547, 1593, 3711, 7465, 13539, 22737, 35983, 54321, 78915, 111049, 152127, 203673, 267331, 344865, 438159, 549217, 680163, 833241, 1010815, 1215369, 1449507, 1715953, 2017551, 2357265, 2738179, 3163497, 3636543 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) =(A053700(n+1)-A053700(n-1))/2-10n^2-4n-2`
	EXAMPLE	`For n>5 this is 54321 translated from base n to base 10`
	CROSSREFS	`Note: 1+2x+3x^2+4x^3+5x^4 is derivative of 1+x+x^2+x^3+x^4 +x^5, i.e. A053700. Cf. A000012, A005408, A056109, A056578.` `Sequence in context: A027779 A073509 A127595 this_sequence A156922 A155656 A027630` `Adjacent sequences: A056576 A056577 A056578 this_sequence A056580 A056581 A056582`
	KEYWORD	`easy,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Jun 29 2000`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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