id:A070937 - OEIS Search Results

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Number of times maximal coefficient (A025591) appears in Prod_{k<=n} x^k+1, i.e. number of times highest value appears in n-th row of A053632 or n-th column of A070937.

+0
1

1, 2, 4, 1, 5, 6, 4, 5, 1, 4, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`If n mod 4 = 0 or 3 then a(n) odd, otherwise a(n) even. For n>9: a(n)=A014695(n).`
	EXAMPLE	`a(4)=5 since Prod_{k<=4} x^k+1 = 1+x+x^2+2x^3+2x^4+2x^5+2x^6+2x^7+x^8+x^9+x^10 and 2 appears as a coefficient 5 times.`
	CROSSREFS	`Sequence in context: A165064 A021418 A094640 this_sequence A059573 A080427 A118906` `Adjacent sequences: A070934 A070935 A070936 this_sequence A070938 A070939 A070940`
	KEYWORD	`nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), May 12 2002`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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