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A068325 Self-conjugate digitized partition numbers. 0

%I #6 Mar 30 2012 18:51:35

%S 0,1,21,22,311,321,332,333,4111,4211,4321,4331,4422,4432,4443,4444,

%T 51111,52111,53211,53311,54221,54321,54431,54441,55222,55322,55432,

%U 55442,55533,55543,55554,55555,611111,621111,632111,633111,642211

%N Self-conjugate digitized partition numbers.

%C Cannot write a(512) or higher in decimal because of need to have a single digit for ten.

%H <a href="/index/Par#part">Index entries for sequences related to partitions</a>

%e 0, 1, 2+1, 2+2, 3+1+1, 3+2+1, 3+3+2, 3+3+3 etc. are all self conjugate partitions.

%Y Cf. A068743 for digitized partition numbers, A000700 for number of terms having digit sum of n, A011782 for number of terms with n digits (also first/largest digit n) and also number of terms with k(>n) number of digits and second digit n+1, A000079 for number of terms with up to n digits (also first/largest digit up to n), a(A000225(n))=A053422(n).

%K base,nonn

%O 0,3

%A _Henry Bottomley_, Feb 27 2002

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Last modified May 6 18:59 EDT 2024. Contains 372297 sequences. (Running on oeis4.)