Search: id:A051131
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%I A051131
%S A051131 2,5,877,27644437,35742549198872617291353508656626642567,
%T A051131 359334085968622831041960188598043661065388726959079837
%N A051131 Prime Bell numbers (A000110).
%D A051131 Bell, E. T. "Exponential Numbers." Amer. Math. Monthly 41, 411-419, 1934.
%H A051131 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               BellNumber.html">Bell Numbers</a>
%H A051131 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               BellNumber.html">Bell Number</a>
%e A051131 Bell(2)=2 and Bell(3)=5 are primes, Bell(4)..Bell(6) are composite, Bell(7)=877 
               is prime.
%Y A051131 Cf. A000110, A051130.
%Y A051131 Sequence in context: A065588 A131748 A078748 this_sequence A119748 A101341 
               A079014
%Y A051131 Adjacent sequences: A051128 A051129 A051130 this_sequence A051132 A051133 
               A051134
%K A051131 nonn
%O A051131 1,1
%A A051131 Ignacio Larrosa Canestro (ignacio.larrosa(AT)eresmas.net)
%E A051131 The next term is too large to include. See A051330.

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