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%I #8 Mar 17 2018 23:13:59
%S 0,8,10,42,72,176,354,764,1516,3022,6066,12268,24570,49148,98246,
%T 196530,393158,786406,1572834,3145674,6291440,12582874,25165764,
%U 50331634,100663192,201326576,402653180,805306350,1610612690,3221225038
%N Excess of n + product of digits over next prime associated with A091628.
%C Sequence arising in _Farideh Firoozbakht_'s solution to Prime Puzzle 251 - 23 is the only pointer prime (A089823) not containing the digit "1".
%C The monotonically increasing value of successive excess (and product of digits (A091629)) strongly suggests that in successive n the digit 1 must be present.
%H Carlos Rivera's Prime Puzzles and Problems Connection, <a href="http://www.primepuzzles.net/puzzles/puzz_251.htm">Puzzle 251, Pointer primes</a>
%F a(n) = A091630(n) - A091631(n).
%e a(2) = 235 - 227 = 8.
%Y Cf. A089823, A091628, A091629, A091630, A091631.
%K base,easy,nonn
%O 1,2
%A _Enoch Haga_, Jan 24 2004
%E Edited and extended by _Ray Chandler_, Feb 07 2004
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