A350104 a(n) = Sum_{k=0..n} A350102(k).

1, 3, 6, 11, 18, 28, 40, 56, 74, 96, 121, 150, 181, 218, 257, 300, 347, 399, 453, 513, 575, 643, 715, 791, 869, 955, 1044, 1137, 1234, 1337, 1442, 1555, 1670, 1791, 1916, 2045, 2178, 2320, 2464, 2612, 2764, 2924, 3086, 3256, 3428, 3606, 3790, 3978, 4168, 4368

Offset

0,2

Links

Table of n, a(n) for n=0..49.

Prog

(SageMath)
def A350104List(len):
    L = [1] * len
    a, b = 1, 2
    for n in (2..len):
        a += b
        b += sloane.A000005(n - 1)
        L[n - 1] = a
    return L
print(A350104List(50))

Crossrefs

Cf. A350102, A350103, A350105, A349976.

Sequence in context: A147456 A230088 A011849 * A173690 A178855 A095944

Adjacent sequences: A350101 A350102 A350103 * A350105 A350106 A350107

Keyword

nonn

Author

Peter Luschny, Dec 16 2021

Status

approved