A210018 In base 7, numbers n which have 7 distinct digits, do not start with 0, and have property that the product (written in base 7) of any two adjacent digits is a substring of n.

1504326, 1506234, 1540326, 1543026, 1543260, 2153406, 2340615, 2341506, 2601543, 2603154, 2603415, 2604315, 2615034, 2615043, 2615403, 2615430, 3026154, 3154026, 3260154, 3260415, 3261504, 3261540, 3402615, 3406215, 3415026, 3415062, 4032615, 4053216, 4061325, 4062153, 4062315, 4132506, 4150326, 4150623, 4302615, 4306215, 4315026, 4315062, 4320615, 4321506, 4326015, 4326150, 5321406, 5321604, 6021534, 6023415, 6041325, 6043215, 6053214, 6132504, 6150234, 6150432, 6203415, 6204315, 6215034, 6215043, 6215304, 6215340, 6230415, 6231504, 6234015, 6234150

Offset

1,1

Comments

Computed by Jean-Paul Davalan.

The analog in base 2 is 10; in base 3, 102,120,201,210.

Links

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

Eric Angelini, 10 different digits, 9 products

E. Angelini, 10 different digits, 9 products [Cached copy, with permission]

Crossrefs

A generalization of A198298. Cf. A210013-A210020, A203569, A203566.

Sequence in context: A206060 A251973 A236499 * A254173 A254166 A254455

Adjacent sequences: A210015 A210016 A210017 * A210019 A210020 A210021

Keyword

nonn,base,fini,full

Author

N. J. A. Sloane, Mar 16 2012

Status

approved