A272079 Row sums of A238453.

1, 2, 3, 6, 10, 26, 30, 86, 154, 350, 514, 1542, 1930, 5882, 9086, 16242, 30098, 93474, 116174, 368318, 547218, 1050842, 1813030, 5703414, 7256850, 19610282, 33509306, 77004470, 122302250, 393465466, 399187282, 1302847262, 2380228834, 4947581482, 8604927394

Offset: 0

Author

Tom Edgar, Apr 19 2016

Keywords

• nonn

Links

• Tom Edgar, Totienomial Coefficients, INTEGERS, 14 (2014), #A62.

Crossrefs

Cf. A000010, A238453.

Programs

Sage

P=[euler_phi(i) for i in [0..100]]
Tr=[[prod(P[1:n+1])/(prod(P[1:k+1])*prod(P[1:(n-k)+1])) for k in [0..n]] for n in [0..len(P)-1]]
print([sum(x) for x in Tr])