id:A077810 - OEIS Search Results

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Sum of divisors of numbers containing in their decimal representation only the digits 0 and 1.

+0
2

1, 18, 12, 217, 102, 216, 152, 2340, 1344, 1836, 1352, 2604, 1472, 2736, 1224, 24211, 10212, 24192, 13824, 22134, 17024, 24336, 10112, 28080, 15520, 26496, 14896, 32984, 11772, 22032, 11424, 246078, 109104, 183816, 147744, 291648, 135904 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n) = A000203(A007088(n)).`
	EXAMPLE	`a(6) = A000203(A007088(6)) = A000203(110) = 1+2+5+10+11+22+55+110 = 216, see A077809.`
	CROSSREFS	`Sequence in context: A033668 A030239 A040308 this_sequence A160901 A159502 A077668` `Adjacent sequences: A077807 A077808 A077809 this_sequence A077811 A077812 A077813`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 16 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research