Search: id:A120381 Results 1-1 of 1 results found. %I A120381 %S A120381 1,1,2,7,176,281589,5134205287973,158606118553696417431847045996 %N A120381 Number of partitions of Bell(n). %H A120381 Author?, Title %H A120381 Author?, Title %e A120381 a(3)=7 because the third Bell number is 5 and the number of partitions of 5 is 7. %p A120381 with(combinat): a:=n->numbpart(bell(n)): seq(a(n),n=0..7); %Y A120381 Cf. A003107, A000110. %Y A120381 Sequence in context: A005345 A077746 A159034 this_sequence A042359 A015174 A125610 %Y A120381 Adjacent sequences: A120378 A120379 A120380 this_sequence A120382 A120383 A120384 %K A120381 nonn %O A120381 0,3 %A A120381 Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jun 29 2006 %E A120381 Edited by Emeric Deutsch (deutsch(AT)duke.poly.edu) and N. J. A. Sloane (njas(AT)research.att.com), Jul 23 2006 Search completed in 0.001 seconds