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A061665 Numbers n whose digits in their prime factorization are the same as those of the prime factorization of n+1. 0
8763, 61077, 62157, 160209, 218553, 259814, 292226, 317289, 388118, 392702, 423165, 424878, 425757, 676131, 676317, 719942, 749948, 775018, 797905, 822990, 848262, 854398, 859537, 875172, 891158, 949332, 953970, 983018, 1084773 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..28.

EXAMPLE

8763 = 3*23*127 and 8764 = 2*2*7*313.

MATHEMATICA

fds[n_]:=Sort[Flatten[IntegerDigits/@Table[First[#], {Last[#]}]&/@n]]; Select[Range[1100000], fds[FactorInteger[#]]==fds[FactorInteger[#+1]]&] (* Harvey P. Dale, Jun 21 2011 *)

CROSSREFS

Sequence in context: A269288 A234148 A205254 * A237484 A255758 A255751

Adjacent sequences:  A061662 A061663 A061664 * A061666 A061667 A061668

KEYWORD

base,nonn

AUTHOR

Erich Friedman, Jun 16 2001

EXTENSIONS

More terms from David Wasserman, Jun 20 2002

STATUS

approved

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Last modified August 20 03:34 EDT 2017. Contains 290823 sequences.