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a(n) = f(n,4) where f is given in A034261.
3

%I #9 Apr 11 2023 13:34:47

%S 0,1,11,56,196,546,1302,2772,5412,9867,17017,28028,44408,68068,101388,

%T 147288,209304,291669,399399,538384,715484,938630,1216930,1560780,

%U 1981980,2493855,3111381,3851316,4732336,5775176,7002776,8440432

%N a(n) = f(n,4) where f is given in A034261.

%Y Cf. A034261.

%K nonn

%O 0,3

%A _Clark Kimberling_

%E Corrected and extended Apr 21 2000 - _N. J. A. Sloane_.