id:A072025 - OEIS Search Results

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A072025

((n+1)^5+n^5)/(2n+1).

+0
4

1, 11, 55, 181, 461, 991, 1891, 3305, 5401, 8371, 12431, 17821, 24805, 33671, 44731, 58321, 74801, 94555, 117991, 145541, 177661, 214831, 257555, 306361, 361801, 424451, 494911, 573805, 661781, 759511, 867691, 987041, 1118305, 1262251 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) =(n+1)^4-n(n+1)^3+n^2(n+1)^2-n^3*(n+1)+n^4 =n^4+2n^3+4n^2+3n+1 =A072024(n, 5)`
	EXAMPLE	`a(3)=(4^5+3^5)/7=181; a(4)=(5^5+4^5)/9=461.`
	CROSSREFS	`Cf. A022521, A072024.` `Adjacent sequences: A072022 A072023 A072024 this_sequence A072026 A072027 A072028` `Sequence in context: A010927 A009550 A022606 this_sequence A098992 A032166 A099532`
	KEYWORD	`nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Jun 06 2002`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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