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A263260 a(n) = number of nonnegative integers k for which A155043(k) <= n; partial sums of A262507. 8
1, 3, 6, 11, 15, 20, 26, 30, 34, 38, 46, 50, 54, 59, 67, 74, 81, 88, 95, 103, 108, 114, 120, 128, 138, 145, 153, 160, 167, 172, 177, 183, 189, 197, 203, 210, 217, 224, 228, 233, 238, 244, 250, 258, 265, 270, 275, 281, 288, 299, 304, 308, 313, 321, 333, 340, 349, 354, 362, 370, 379, 389, 403 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Antti Karttunen, Table of n, a(n) for n = 0..10000

FORMULA

a(0) = 1; for n >= 1, a(n) = A262507(n) + a(n-1).

PROG

(Scheme, with memoization-macro definec)

(definec (A263260 n) (if (zero? n) (A262507 n) (+ (A262507 n) (A263260 (- n 1)))))

CROSSREFS

Cf. A000005, A049820, A155043, A262507, A263265, A263270.

Sequence in context: A234011 A113960 A287075 * A152682 A059753 A256001

Adjacent sequences:  A263257 A263258 A263259 * A263261 A263262 A263263

KEYWORD

nonn

AUTHOR

Antti Karttunen, Nov 24 2015

STATUS

approved

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Last modified October 16 08:24 EDT 2018. Contains 316259 sequences. (Running on oeis4.)