A061387 Sum of digits = 4 times number of digits.

4, 17, 26, 35, 44, 53, 62, 71, 80, 129, 138, 147, 156, 165, 174, 183, 192, 219, 228, 237, 246, 255, 264, 273, 282, 291, 309, 318, 327, 336, 345, 354, 363, 372, 381, 390, 408, 417, 426, 435, 444, 453, 462, 471, 480, 507, 516, 525, 534, 543, 552, 561, 570, 606

Offset

1,1

Links

Table of n, a(n) for n=1..54.

Example

147 is a term as the arithmetic mean of the digits is (1+4+7)/3 = 4.

Prog

(Magma) [ n: n in [1..610] | &+Intseq(n) eq 4*#Intseq(n) ];  // Bruno Berselli, Jun 30 2011

Crossrefs

Cf. A061383, A061384, A061385, A061386, A061388, A061423, A061424, A061425.

Sequence in context: A273119 A302618 A171227 * A366210 A335593 A319970

Adjacent sequences: A061384 A061385 A061386 * A061388 A061389 A061390

Keyword

nonn,base,easy

Author

Amarnath Murthy, May 03 2001

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), May 16 2001

Status

approved