A116100 Partial sums of A004977.

1, 3, 6, 11, 19, 29, 42, 58, 81, 113, 157, 213, 289, 391, 523, 697, 924, 1220, 1603, 2108, 2787, 3679, 4830, 6346, 8334, 10936, 14336, 18746, 24505, 32024, 41833, 54643, 71353, 93111, 121467, 158422, 206611, 269416, 351219, 457866, 596954, 778255

Offset: 1

Author

Philippe LALLOUET (philip.lallouet(AT)wanadoo.fr), Apr 11 2007

Keywords

• easy
• nonn
• base

Examples

			a(4)=1+(1+1)+(2+1)+(1+2+1+1)=11
		

Crossrefs

Cf. A005150.

Extensions

Edited and extended by R. J. Mathar, Jan 23 2008