A096106 Numbers such that every digit is a multiple of the digit to its right.

1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 21, 22, 31, 33, 41, 42, 44, 51, 55, 61, 62, 63, 66, 71, 77, 81, 82, 84, 88, 91, 93, 99, 111, 211, 221, 222, 311, 331, 333, 411, 421, 422, 441, 442, 444, 511, 551, 555, 611, 621, 622, 631, 633, 661, 662, 663, 666, 711, 771, 777, 811, 821

Offset

1,2

Comments

The number of n-digit terms is (n^3+15n^2+32n+6)/6. - David Wasserman

Links

Table of n, a(n) for n=1..62.

Crossrefs

Cf. A096105.

Sequence in context: A106001 A161390 A354081 * A321990 A076641 A076643

Adjacent sequences: A096103 A096104 A096105 * A096107 A096108 A096109

Keyword

base,easy,nonn

Author

Amarnath Murthy, Jun 26 2004

Extensions

Edited by David Wasserman, Dec 28 2005

Status

approved