A233973 a(n) = A232221(n)/4.

0, 0, 1, 5, 9, 13, 32, 54, 82, 116, 159, 199, 227, 273, 331, 380, 429, 487, 536, 609, 679, 743, 816, 895, 953, 1008, 1042, 1067, 1104, 1180, 1253, 1332, 1429, 1532, 1626, 1675, 1733, 1812, 1921, 2045, 2169, 2317, 2420, 2535, 2656, 2756, 2850, 2953

Offset

1,4

Links

Table of n, a(n) for n=1..48.

Formula

a(n) = (Sum_{i=1..n} (A077068(i)-A077065(i)))/4.

Crossrefs

Cf. A001358, A077065, A077068, A232221.

Sequence in context: A170896 A323106 A257171 * A089977 A024728 A024950

Adjacent sequences: A233970 A233971 A233972 * A233974 A233975 A233976

Keyword

nonn

Author

Omar E. Pol, Dec 18 2013

Status

approved