The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A167620 Numbers that are multiples of their digital product, where this digital product also appears as their least significant digits. 1
 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 15, 111, 112, 115, 315, 612, 1111, 1112, 1113, 1115, 1116, 11111, 11112, 11115, 12312, 13212, 21312, 23112, 31212, 32112, 111111, 111112, 111115, 111315, 111612, 113115, 116112, 131115, 161112, 311115, 511175 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Subsequence of A007602. [R. J. Mathar, Nov 12 2009] LINKS David A. Corneth, Table of n, a(n) for n = 1..690 (terms < 10^13) EXAMPLE 612 is in the list because 6*1*2=12, 612 is a multiple of 12, and 12 is the final two digits of 612. PROG (PARI) is(n) = { my(vp = vecprod(digits(n))); vp != 0 && n %vp == 0 && n % 10^(#digits(vp)) == vp } \\ David A. Corneth, Mar 30 2021 CROSSREFS Cf. A007602. Sequence in context: A007602 A343681 A337941 * A169935 A193498 A239087 Adjacent sequences:  A167617 A167618 A167619 * A167621 A167622 A167623 KEYWORD nonn,base AUTHOR Claudio Meller, Nov 07 2009 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified July 25 03:53 EDT 2021. Contains 346283 sequences. (Running on oeis4.)