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Number of partitions of n into Somos-4 sequence numbers A006720.
1

%I #12 Jul 06 2022 13:32:39

%S 1,2,3,4,5,7,9,11,14,17,20,24,28,33,38,44,50,57,64,72,81,90,101,112,

%T 124,137,151,166,182,200,218,238,259,281,305,330,357,385,415,446,479,

%U 514,550,589,629,672,716,763,812,863,917,973,1032,1093,1157,1224,1293,1366,1442

%N Number of partitions of n into Somos-4 sequence numbers A006720.

%H R. H. Hardin, <a href="/A161306/b161306.txt">Table of n, a(n) for n=1..1000</a>

%e a(3)=3: [3], [2,1], [1,1,1].

%Y Cf. A006720, A161307-A161319.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jun 06 2009

%E Definition shortened by _Georg Fischer_, Jul 06 2022