id:A077808 - OEIS Search Results

Search: id:A077808

Displaying 1-1 of 1 results found.

page 1

Number of prime factors of numbers containing in their decimal representation only the digits 0 and 1 (counted with multiplicity).

+0
2

0, 2, 1, 4, 1, 3, 2, 6, 3, 3, 2, 5, 2, 4, 2, 8, 2, 5, 3, 5, 4, 4, 1, 7, 3, 4, 4, 6, 2, 4, 2, 10, 2, 4, 4, 7, 3, 5, 3, 7, 3, 6, 2, 6, 4, 3, 1, 9, 3, 5, 3, 6, 2, 6, 2, 8, 2, 4, 2, 6, 2, 4, 5, 12, 2, 4, 2, 6, 2, 6, 2, 9, 2, 5, 4, 7, 2, 5, 2, 9, 2, 5, 3, 8, 3, 4, 2, 8, 1, 6, 3, 5, 4, 3, 4, 11, 5, 5, 3, 7, 1, 5 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n) = A001222(A007088(n)).`
	EXAMPLE	`a(36) = A001222(A007088(36)) = A001222(100100) = A001222(225571113) = 7.`
	CROSSREFS	`Cf. A077807.` `Sequence in context: A113901 A062799 A063647 this_sequence A021471 A088372 A078072` `Adjacent sequences: A077805 A077806 A077807 this_sequence A077809 A077810 A077811`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 16 2002`

page 1

Search completed in 0.002 seconds

Last modified December 3 22:15 EST 2009. Contains 170310 sequences.

AT&T Labs Research